Home / 327,470,192.40-491,205,288.60-155,283,308.40

Finding the Fourth Proportional to 327,470,192.40, 491,205,288.60 and 155,283,308.40

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Solution

The fourth proportional to 327,470,192.40, 491,205,288.60 and 155,283,308.40 is: 232,924,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,470,192.40 : 491,205,288.60 = 155,283,308.40 : x
  2. Step 2: Convert to fraction form
    327,470,192.40/491,205,288.60 = 155,283,308.40/x
  3. Step 3: Cross multiply
    327,470,192.40x = 491,205,288.60 × 155,283,308.40
  4. Step 4: Simplify right side
    327,470,192.40x = 76,275,982,317,384,816
  5. Step 5: Solve for x
    x = 76,275,982,317,384,816/327,470,192.40
  6. Step 6: Final answer
    x = 232,924,962.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.