Home / 307,943.20-461,828.40-97,645.60

Finding the Fourth Proportional to 307,943.20, 461,828.40 and 97,645.60

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Solution

The fourth proportional to 307,943.20, 461,828.40 and 97,645.60 is: 146,441.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,943.20 : 461,828.40 = 97,645.60 : x
  2. Step 2: Convert to fraction form
    307,943.20/461,828.40 = 97,645.60/x
  3. Step 3: Cross multiply
    307,943.20x = 461,828.40 × 97,645.60
  4. Step 4: Simplify right side
    307,943.20x = 45,095,511,215.04
  5. Step 5: Solve for x
    x = 45,095,511,215.04/307,943.20
  6. Step 6: Final answer
    x = 146,441.00

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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.