Home / 440,984.76-661,414.86-141,426.42

Finding the Fourth Proportional to 440,984.76, 661,414.86 and 141,426.42

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Solution

The fourth proportional to 440,984.76, 661,414.86 and 141,426.42 is: 212,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,984.76 : 661,414.86 = 141,426.42 : x
  2. Step 2: Convert to fraction form
    440,984.76/661,414.86 = 141,426.42/x
  3. Step 3: Cross multiply
    440,984.76x = 661,414.86 × 141,426.42
  4. Step 4: Simplify right side
    440,984.76x = 93,541,535,784.60
  5. Step 5: Solve for x
    x = 93,541,535,784.60/440,984.76
  6. Step 6: Final answer
    x = 212,119.66

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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.