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Finding the Fourth Proportional to 459,755.86, 634,407.36 and 255,758.57

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Solution

The fourth proportional to 459,755.86, 634,407.36 and 255,758.57 is: 352,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,755.86 : 634,407.36 = 255,758.57 : x
  2. Step 2: Convert to fraction form
    459,755.86/634,407.36 = 255,758.57/x
  3. Step 3: Cross multiply
    459,755.86x = 634,407.36 × 255,758.57
  4. Step 4: Simplify right side
    459,755.86x = 162,255,119,191.08
  5. Step 5: Solve for x
    x = 162,255,119,191.08/459,755.86
  6. Step 6: Final answer
    x = 352,915.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.