Home / 485,913.93-729,010.92-149,004.25

Finding the Fourth Proportional to 485,913.93, 729,010.92 and 149,004.25

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Solution

The fourth proportional to 485,913.93, 729,010.92 and 149,004.25 is: 223,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,913.93 : 729,010.92 = 149,004.25 : x
  2. Step 2: Convert to fraction form
    485,913.93/729,010.92 = 149,004.25/x
  3. Step 3: Cross multiply
    485,913.93x = 729,010.92 × 149,004.25
  4. Step 4: Simplify right side
    485,913.93x = 108,625,725,376.41
  5. Step 5: Solve for x
    x = 108,625,725,376.41/485,913.93
  6. Step 6: Final answer
    x = 223,549.31

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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.