Home / 229,456.62-316,539.76-148,909.41

Finding the Fourth Proportional to 229,456.62, 316,539.76 and 148,909.41

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Solution

The fourth proportional to 229,456.62, 316,539.76 and 148,909.41 is: 205,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,456.62 : 316,539.76 = 148,909.41 : x
  2. Step 2: Convert to fraction form
    229,456.62/316,539.76 = 148,909.41/x
  3. Step 3: Cross multiply
    229,456.62x = 316,539.76 × 148,909.41
  4. Step 4: Simplify right side
    229,456.62x = 47,135,748,903.14
  5. Step 5: Solve for x
    x = 47,135,748,903.14/229,456.62
  6. Step 6: Final answer
    x = 205,423.36

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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.