Home / 435,156.73-652,724.77-256,375.96

Finding the Fourth Proportional to 435,156.73, 652,724.77 and 256,375.96

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Solution

The fourth proportional to 435,156.73, 652,724.77 and 256,375.96 is: 384,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,156.73 : 652,724.77 = 256,375.96 : x
  2. Step 2: Convert to fraction form
    435,156.73/652,724.77 = 256,375.96/x
  3. Step 3: Cross multiply
    435,156.73x = 652,724.77 × 256,375.96
  4. Step 4: Simplify right side
    435,156.73x = 167,342,938,242.65
  5. Step 5: Solve for x
    x = 167,342,938,242.65/435,156.73
  6. Step 6: Final answer
    x = 384,557.85

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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.