Home / 269,681.55-372,003.42-172,850.91

Finding the Fourth Proportional to 269,681.55, 372,003.42 and 172,850.91

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Solution

The fourth proportional to 269,681.55, 372,003.42 and 172,850.91 is: 238,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,681.55 : 372,003.42 = 172,850.91 : x
  2. Step 2: Convert to fraction form
    269,681.55/372,003.42 = 172,850.91/x
  3. Step 3: Cross multiply
    269,681.55x = 372,003.42 × 172,850.91
  4. Step 4: Simplify right side
    269,681.55x = 64,301,129,670.11
  5. Step 5: Solve for x
    x = 64,301,129,670.11/269,681.55
  6. Step 6: Final answer
    x = 238,433.55

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1.5x scale

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.