Home / 424,287.02-636,010.10-199,244.60

Finding the Fourth Proportional to 424,287.02, 636,010.10 and 199,244.60

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Solution

The fourth proportional to 424,287.02, 636,010.10 and 199,244.60 is: 298,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,287.02 : 636,010.10 = 199,244.60 : x
  2. Step 2: Convert to fraction form
    424,287.02/636,010.10 = 199,244.60/x
  3. Step 3: Cross multiply
    424,287.02x = 636,010.10 × 199,244.60
  4. Step 4: Simplify right side
    424,287.02x = 126,721,577,970.46
  5. Step 5: Solve for x
    x = 126,721,577,970.46/424,287.02
  6. Step 6: Final answer
    x = 298,669.47

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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.