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Finding the Fourth Proportional to 283,437.90, 424,514.11 and 219,747.60

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Solution

The fourth proportional to 283,437.90, 424,514.11 and 219,747.60 is: 329,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,437.90 : 424,514.11 = 219,747.60 : x
  2. Step 2: Convert to fraction form
    283,437.90/424,514.11 = 219,747.60/x
  3. Step 3: Cross multiply
    283,437.90x = 424,514.11 × 219,747.60
  4. Step 4: Simplify right side
    283,437.90x = 93,285,953,617.33
  5. Step 5: Solve for x
    x = 93,285,953,617.33/283,437.90
  6. Step 6: Final answer
    x = 329,123.08

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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.