Home / 387,344.79-581,050.66-106,862.04

Finding the Fourth Proportional to 387,344.79, 581,050.66 and 106,862.04

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Solution

The fourth proportional to 387,344.79, 581,050.66 and 106,862.04 is: 160,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,344.79 : 581,050.66 = 106,862.04 : x
  2. Step 2: Convert to fraction form
    387,344.79/581,050.66 = 106,862.04/x
  3. Step 3: Cross multiply
    387,344.79x = 581,050.66 × 106,862.04
  4. Step 4: Simplify right side
    387,344.79x = 62,092,258,870.95
  5. Step 5: Solve for x
    x = 62,092,258,870.95/387,344.79
  6. Step 6: Final answer
    x = 160,302.30

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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.