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Finding the Fourth Proportional to 605,663.96, 908,915.36 and 240,888.15

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Solution

The fourth proportional to 605,663.96, 908,915.36 and 240,888.15 is: 361,499.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,663.96 : 908,915.36 = 240,888.15 : x
  2. Step 2: Convert to fraction form
    605,663.96/908,915.36 = 240,888.15/x
  3. Step 3: Cross multiply
    605,663.96x = 908,915.36 × 240,888.15
  4. Step 4: Simplify right side
    605,663.96x = 218,946,938,372.54
  5. Step 5: Solve for x
    x = 218,946,938,372.54/605,663.96
  6. Step 6: Final answer
    x = 361,499.04

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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.