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Finding the Fourth Proportional to 474,369.75, 711,510.51 and 132,844.08

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Solution

The fourth proportional to 474,369.75, 711,510.51 and 132,844.08 is: 199,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,369.75 : 711,510.51 = 132,844.08 : x
  2. Step 2: Convert to fraction form
    474,369.75/711,510.51 = 132,844.08/x
  3. Step 3: Cross multiply
    474,369.75x = 711,510.51 × 132,844.08
  4. Step 4: Simplify right side
    474,369.75x = 94,519,962,277.61
  5. Step 5: Solve for x
    x = 94,519,962,277.61/474,369.75
  6. Step 6: Final answer
    x = 199,253.77

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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.