Home / 367,979.40-551,969.10-353,982.60

Finding the Fourth Proportional to 367,979.40, 551,969.10 and 353,982.60

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Solution

The fourth proportional to 367,979.40, 551,969.10 and 353,982.60 is: 530,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,979.40 : 551,969.10 = 353,982.60 : x
  2. Step 2: Convert to fraction form
    367,979.40/551,969.10 = 353,982.60/x
  3. Step 3: Cross multiply
    367,979.40x = 551,969.10 × 353,982.60
  4. Step 4: Simplify right side
    367,979.40x = 195,387,457,137.66
  5. Step 5: Solve for x
    x = 195,387,457,137.66/367,979.40
  6. Step 6: Final answer
    x = 530,973.90

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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.