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Finding the Fourth Proportional to 400,883.32, 553,200.86 and 239,827.17

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Solution

The fourth proportional to 400,883.32, 553,200.86 and 239,827.17 is: 330,950.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,883.32 : 553,200.86 = 239,827.17 : x
  2. Step 2: Convert to fraction form
    400,883.32/553,200.86 = 239,827.17/x
  3. Step 3: Cross multiply
    400,883.32x = 553,200.86 × 239,827.17
  4. Step 4: Simplify right side
    400,883.32x = 132,672,597,294.93
  5. Step 5: Solve for x
    x = 132,672,597,294.93/400,883.32
  6. Step 6: Final answer
    x = 330,950.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.