Home / 393,854.31-590,905.39-140,962.38

Finding the Fourth Proportional to 393,854.31, 590,905.39 and 140,962.38

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Solution

The fourth proportional to 393,854.31, 590,905.39 and 140,962.38 is: 211,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,854.31 : 590,905.39 = 140,962.38 : x
  2. Step 2: Convert to fraction form
    393,854.31/590,905.39 = 140,962.38/x
  3. Step 3: Cross multiply
    393,854.31x = 590,905.39 × 140,962.38
  4. Step 4: Simplify right side
    393,854.31x = 83,295,429,424.42
  5. Step 5: Solve for x
    x = 83,295,429,424.42/393,854.31
  6. Step 6: Final answer
    x = 211,487.92

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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.