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Finding the Fourth Proportional to 232,672.69, 348,320.13 and 143,639.92

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Solution

The fourth proportional to 232,672.69, 348,320.13 and 143,639.92 is: 215,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,672.69 : 348,320.13 = 143,639.92 : x
  2. Step 2: Convert to fraction form
    232,672.69/348,320.13 = 143,639.92/x
  3. Step 3: Cross multiply
    232,672.69x = 348,320.13 × 143,639.92
  4. Step 4: Simplify right side
    232,672.69x = 50,032,675,607.59
  5. Step 5: Solve for x
    x = 50,032,675,607.59/232,672.69
  6. Step 6: Final answer
    x = 215,034.59

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1.5x scale

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.