Home / 256,327.64-384,273.35-156,557.82

Finding the Fourth Proportional to 256,327.64, 384,273.35 and 156,557.82

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Solution

The fourth proportional to 256,327.64, 384,273.35 and 156,557.82 is: 234,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,327.64 : 384,273.35 = 156,557.82 : x
  2. Step 2: Convert to fraction form
    256,327.64/384,273.35 = 156,557.82/x
  3. Step 3: Cross multiply
    256,327.64x = 384,273.35 × 156,557.82
  4. Step 4: Simplify right side
    256,327.64x = 60,160,997,177.31
  5. Step 5: Solve for x
    x = 60,160,997,177.31/256,327.64
  6. Step 6: Final answer
    x = 234,703.52

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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.