Home / 256,724.52-384,766.02-123,569.43

Finding the Fourth Proportional to 256,724.52, 384,766.02 and 123,569.43

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Solution

The fourth proportional to 256,724.52, 384,766.02 and 123,569.43 is: 185,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,724.52 : 384,766.02 = 123,569.43 : x
  2. Step 2: Convert to fraction form
    256,724.52/384,766.02 = 123,569.43/x
  3. Step 3: Cross multiply
    256,724.52x = 384,766.02 × 123,569.43
  4. Step 4: Simplify right side
    256,724.52x = 47,545,317,774.77
  5. Step 5: Solve for x
    x = 47,545,317,774.77/256,724.52
  6. Step 6: Final answer
    x = 185,199.75

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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.