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Finding the Fourth Proportional to 442,333.71, 663,502.27 and 134,588.70

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Solution

The fourth proportional to 442,333.71, 663,502.27 and 134,588.70 is: 201,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,333.71 : 663,502.27 = 134,588.70 : x
  2. Step 2: Convert to fraction form
    442,333.71/663,502.27 = 134,588.70/x
  3. Step 3: Cross multiply
    442,333.71x = 663,502.27 × 134,588.70
  4. Step 4: Simplify right side
    442,333.71x = 89,299,909,383.08
  5. Step 5: Solve for x
    x = 89,299,909,383.08/442,333.71
  6. Step 6: Final answer
    x = 201,883.57

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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.