Home / 315,769.96-435,757.02-172,526.44

Finding the Fourth Proportional to 315,769.96, 435,757.02 and 172,526.44

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Solution

The fourth proportional to 315,769.96, 435,757.02 and 172,526.44 is: 238,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,769.96 : 435,757.02 = 172,526.44 : x
  2. Step 2: Convert to fraction form
    315,769.96/435,757.02 = 172,526.44/x
  3. Step 3: Cross multiply
    315,769.96x = 435,757.02 × 172,526.44
  4. Step 4: Simplify right side
    315,769.96x = 75,179,607,365.61
  5. Step 5: Solve for x
    x = 75,179,607,365.61/315,769.96
  6. Step 6: Final answer
    x = 238,083.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.