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Finding the Fourth Proportional to 256,175.70, 383,572.35 and 256,175.70

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Solution

The fourth proportional to 256,175.70, 383,572.35 and 256,175.70 is: 383,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,175.70 : 383,572.35 = 256,175.70 : x
  2. Step 2: Convert to fraction form
    256,175.70/383,572.35 = 256,175.70/x
  3. Step 3: Cross multiply
    256,175.70x = 383,572.35 × 256,175.70
  4. Step 4: Simplify right side
    256,175.70x = 98,261,915,261.90
  5. Step 5: Solve for x
    x = 98,261,915,261.90/256,175.70
  6. Step 6: Final answer
    x = 383,572.35

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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.