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Finding the Fourth Proportional to 605,104.30, 907,656.45 and 161,872.30

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Solution

The fourth proportional to 605,104.30, 907,656.45 and 161,872.30 is: 242,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,104.30 : 907,656.45 = 161,872.30 : x
  2. Step 2: Convert to fraction form
    605,104.30/907,656.45 = 161,872.30/x
  3. Step 3: Cross multiply
    605,104.30x = 907,656.45 × 161,872.30
  4. Step 4: Simplify right side
    605,104.30x = 146,924,437,171.34
  5. Step 5: Solve for x
    x = 146,924,437,171.34/605,104.30
  6. Step 6: Final answer
    x = 242,808.45

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Similar ratio
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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.