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Finding the Fourth Proportional to 608,046.80, 912,199.80 and 187,365.20

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Solution

The fourth proportional to 608,046.80, 912,199.80 and 187,365.20 is: 281,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,046.80 : 912,199.80 = 187,365.20 : x
  2. Step 2: Convert to fraction form
    608,046.80/912,199.80 = 187,365.20/x
  3. Step 3: Cross multiply
    608,046.80x = 912,199.80 × 187,365.20
  4. Step 4: Simplify right side
    608,046.80x = 170,914,497,966.96
  5. Step 5: Solve for x
    x = 170,914,497,966.96/608,046.80
  6. Step 6: Final answer
    x = 281,087.74

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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.