Home / 344,977.40-517,337.04-120,280.16

Finding the Fourth Proportional to 344,977.40, 517,337.04 and 120,280.16

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Solution

The fourth proportional to 344,977.40, 517,337.04 and 120,280.16 is: 180,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,977.40 : 517,337.04 = 120,280.16 : x
  2. Step 2: Convert to fraction form
    344,977.40/517,337.04 = 120,280.16/x
  3. Step 3: Cross multiply
    344,977.40x = 517,337.04 × 120,280.16
  4. Step 4: Simplify right side
    344,977.40x = 62,225,381,945.13
  5. Step 5: Solve for x
    x = 62,225,381,945.13/344,977.40
  6. Step 6: Final answer
    x = 180,375.24

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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.