Home / 440,930.34-661,324.65-121,007.46

Finding the Fourth Proportional to 440,930.34, 661,324.65 and 121,007.46

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Solution

The fourth proportional to 440,930.34, 661,324.65 and 121,007.46 is: 181,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,930.34 : 661,324.65 = 121,007.46 : x
  2. Step 2: Convert to fraction form
    440,930.34/661,324.65 = 121,007.46/x
  3. Step 3: Cross multiply
    440,930.34x = 661,324.65 × 121,007.46
  4. Step 4: Simplify right side
    440,930.34x = 80,025,216,131.89
  5. Step 5: Solve for x
    x = 80,025,216,131.89/440,930.34
  6. Step 6: Final answer
    x = 181,491.74

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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.