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Finding the Fourth Proportional to 215,004.72, 322,546 and 88,574.71

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Solution

The fourth proportional to 215,004.72, 322,546 and 88,574.71 is: 132,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,004.72 : 322,546 = 88,574.71 : x
  2. Step 2: Convert to fraction form
    215,004.72/322,546 = 88,574.71/x
  3. Step 3: Cross multiply
    215,004.72x = 322,546 × 88,574.71
  4. Step 4: Simplify right side
    215,004.72x = 28,569,416,798.93
  5. Step 5: Solve for x
    x = 28,569,416,798.93/215,004.72
  6. Step 6: Final answer
    x = 132,878.09

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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.