Home / 251,748.44-347,415.18-138,572

Finding the Fourth Proportional to 251,748.44, 347,415.18 and 138,572

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Solution

The fourth proportional to 251,748.44, 347,415.18 and 138,572 is: 191,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,748.44 : 347,415.18 = 138,572 : x
  2. Step 2: Convert to fraction form
    251,748.44/347,415.18 = 138,572/x
  3. Step 3: Cross multiply
    251,748.44x = 347,415.18 × 138,572
  4. Step 4: Simplify right side
    251,748.44x = 48,142,016,322.96
  5. Step 5: Solve for x
    x = 48,142,016,322.96/251,748.44
  6. Step 6: Final answer
    x = 191,230.64

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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.