Home / 231,645.52-346,792.20-142,631.92

Finding the Fourth Proportional to 231,645.52, 346,792.20 and 142,631.92

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Solution

The fourth proportional to 231,645.52, 346,792.20 and 142,631.92 is: 213,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,645.52 : 346,792.20 = 142,631.92 : x
  2. Step 2: Convert to fraction form
    231,645.52/346,792.20 = 142,631.92/x
  3. Step 3: Cross multiply
    231,645.52x = 346,792.20 × 142,631.92
  4. Step 4: Simplify right side
    231,645.52x = 49,463,637,327.02
  5. Step 5: Solve for x
    x = 49,463,637,327.02/231,645.52
  6. Step 6: Final answer
    x = 213,531.59

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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.