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Finding the Fourth Proportional to 608,347.71, 912,380.01 and 229,306.59

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Solution

The fourth proportional to 608,347.71, 912,380.01 and 229,306.59 is: 343,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,347.71 : 912,380.01 = 229,306.59 : x
  2. Step 2: Convert to fraction form
    608,347.71/912,380.01 = 229,306.59/x
  3. Step 3: Cross multiply
    608,347.71x = 912,380.01 × 229,306.59
  4. Step 4: Simplify right side
    608,347.71x = 209,214,748,877.27
  5. Step 5: Solve for x
    x = 209,214,748,877.27/608,347.71
  6. Step 6: Final answer
    x = 343,906.53

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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.