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Finding the Fourth Proportional to 302,490.70, 454,016.10 and 152,836.31

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Solution

The fourth proportional to 302,490.70, 454,016.10 and 152,836.31 is: 229,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,490.70 : 454,016.10 = 152,836.31 : x
  2. Step 2: Convert to fraction form
    302,490.70/454,016.10 = 152,836.31/x
  3. Step 3: Cross multiply
    302,490.70x = 454,016.10 × 152,836.31
  4. Step 4: Simplify right side
    302,490.70x = 69,390,145,404.59
  5. Step 5: Solve for x
    x = 69,390,145,404.59/302,490.70
  6. Step 6: Final answer
    x = 229,395.97

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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.