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Finding the Fourth Proportional to 243,318.82, 362,729.09 and 239,484.28

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Solution

The fourth proportional to 243,318.82, 362,729.09 and 239,484.28 is: 357,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,318.82 : 362,729.09 = 239,484.28 : x
  2. Step 2: Convert to fraction form
    243,318.82/362,729.09 = 239,484.28/x
  3. Step 3: Cross multiply
    243,318.82x = 362,729.09 × 239,484.28
  4. Step 4: Simplify right side
    243,318.82x = 86,867,914,953.71
  5. Step 5: Solve for x
    x = 86,867,914,953.71/243,318.82
  6. Step 6: Final answer
    x = 357,012.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.