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Finding the Fourth Proportional to 605,795.10, 908,702.15 and 179,374.20

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Solution

The fourth proportional to 605,795.10, 908,702.15 and 179,374.20 is: 269,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,795.10 : 908,702.15 = 179,374.20 : x
  2. Step 2: Convert to fraction form
    605,795.10/908,702.15 = 179,374.20/x
  3. Step 3: Cross multiply
    605,795.10x = 908,702.15 × 179,374.20
  4. Step 4: Simplify right side
    605,795.10x = 162,997,721,194.53
  5. Step 5: Solve for x
    x = 162,997,721,194.53/605,795.10
  6. Step 6: Final answer
    x = 269,064.11

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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.