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Finding the Fourth Proportional to 605,023.49, 907,323.53 and 178,446.08

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Solution

The fourth proportional to 605,023.49, 907,323.53 and 178,446.08 is: 267,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,023.49 : 907,323.53 = 178,446.08 : x
  2. Step 2: Convert to fraction form
    605,023.49/907,323.53 = 178,446.08/x
  3. Step 3: Cross multiply
    605,023.49x = 907,323.53 × 178,446.08
  4. Step 4: Simplify right side
    605,023.49x = 161,908,328,596.34
  5. Step 5: Solve for x
    x = 161,908,328,596.34/605,023.49
  6. Step 6: Final answer
    x = 267,606.68

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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.