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Finding the Fourth Proportional to 284,770.08, 426,944.22 and 172,423.89

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Solution

The fourth proportional to 284,770.08, 426,944.22 and 172,423.89 is: 258,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,770.08 : 426,944.22 = 172,423.89 : x
  2. Step 2: Convert to fraction form
    284,770.08/426,944.22 = 172,423.89/x
  3. Step 3: Cross multiply
    284,770.08x = 426,944.22 × 172,423.89
  4. Step 4: Simplify right side
    284,770.08x = 73,615,382,578.83
  5. Step 5: Solve for x
    x = 73,615,382,578.83/284,770.08
  6. Step 6: Final answer
    x = 258,508.14

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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.