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Finding the Fourth Proportional to 256,592.92, 384,909.90 and 88,045.42

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Solution

The fourth proportional to 256,592.92, 384,909.90 and 88,045.42 is: 132,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,592.92 : 384,909.90 = 88,045.42 : x
  2. Step 2: Convert to fraction form
    256,592.92/384,909.90 = 88,045.42/x
  3. Step 3: Cross multiply
    256,592.92x = 384,909.90 × 88,045.42
  4. Step 4: Simplify right side
    256,592.92x = 33,889,552,625.27
  5. Step 5: Solve for x
    x = 33,889,552,625.27/256,592.92
  6. Step 6: Final answer
    x = 132,075.17

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1.5x scale

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.