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Finding the Fourth Proportional to 608,031.15, 912,084.33 and 203,259.78

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Solution

The fourth proportional to 608,031.15, 912,084.33 and 203,259.78 is: 304,902.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,031.15 : 912,084.33 = 203,259.78 : x
  2. Step 2: Convert to fraction form
    608,031.15/912,084.33 = 203,259.78/x
  3. Step 3: Cross multiply
    608,031.15x = 912,084.33 × 203,259.78
  4. Step 4: Simplify right side
    608,031.15x = 185,390,060,257.25
  5. Step 5: Solve for x
    x = 185,390,060,257.25/608,031.15
  6. Step 6: Final answer
    x = 304,902.24

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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.