Home / 251,862.44-347,572.50-138,685.64

Finding the Fourth Proportional to 251,862.44, 347,572.50 and 138,685.64

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Solution

The fourth proportional to 251,862.44, 347,572.50 and 138,685.64 is: 191,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,862.44 : 347,572.50 = 138,685.64 : x
  2. Step 2: Convert to fraction form
    251,862.44/347,572.50 = 138,685.64/x
  3. Step 3: Cross multiply
    251,862.44x = 347,572.50 × 138,685.64
  4. Step 4: Simplify right side
    251,862.44x = 48,203,314,608.90
  5. Step 5: Solve for x
    x = 48,203,314,608.90/251,862.44
  6. Step 6: Final answer
    x = 191,387.47

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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.