Home / 440,541.71-660,489.30-140,849.81

Finding the Fourth Proportional to 440,541.71, 660,489.30 and 140,849.81

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Solution

The fourth proportional to 440,541.71, 660,489.30 and 140,849.81 is: 211,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,541.71 : 660,489.30 = 140,849.81 : x
  2. Step 2: Convert to fraction form
    440,541.71/660,489.30 = 140,849.81/x
  3. Step 3: Cross multiply
    440,541.71x = 660,489.30 × 140,849.81
  4. Step 4: Simplify right side
    440,541.71x = 93,029,789,109.59
  5. Step 5: Solve for x
    x = 93,029,789,109.59/440,541.71
  6. Step 6: Final answer
    x = 211,171.36

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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.