Home / 334,890.90-502,391.70-155,155.95

Finding the Fourth Proportional to 334,890.90, 502,391.70 and 155,155.95

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Solution

The fourth proportional to 334,890.90, 502,391.70 and 155,155.95 is: 232,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,890.90 : 502,391.70 = 155,155.95 : x
  2. Step 2: Convert to fraction form
    334,890.90/502,391.70 = 155,155.95/x
  3. Step 3: Cross multiply
    334,890.90x = 502,391.70 × 155,155.95
  4. Step 4: Simplify right side
    334,890.90x = 77,949,061,485.62
  5. Step 5: Solve for x
    x = 77,949,061,485.62/334,890.90
  6. Step 6: Final answer
    x = 232,759.57

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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.