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Finding the Fourth Proportional to 283,743.90, 424,864.96 and 171,273.78

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Solution

The fourth proportional to 283,743.90, 424,864.96 and 171,273.78 is: 256,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,743.90 : 424,864.96 = 171,273.78 : x
  2. Step 2: Convert to fraction form
    283,743.90/424,864.96 = 171,273.78/x
  3. Step 3: Cross multiply
    283,743.90x = 424,864.96 × 171,273.78
  4. Step 4: Simplify right side
    283,743.90x = 72,768,227,688.75
  5. Step 5: Solve for x
    x = 72,768,227,688.75/283,743.90
  6. Step 6: Final answer
    x = 256,457.42

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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.