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Finding the Fourth Proportional to 605,377.99, 908,077.92 and 156,108.25

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Solution

The fourth proportional to 605,377.99, 908,077.92 and 156,108.25 is: 234,165.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,377.99 : 908,077.92 = 156,108.25 : x
  2. Step 2: Convert to fraction form
    605,377.99/908,077.92 = 156,108.25/x
  3. Step 3: Cross multiply
    605,377.99x = 908,077.92 × 156,108.25
  4. Step 4: Simplify right side
    605,377.99x = 141,758,454,954.84
  5. Step 5: Solve for x
    x = 141,758,454,954.84/605,377.99
  6. Step 6: Final answer
    x = 234,165.19

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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.