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Finding the Fourth Proportional to 253,649.54, 349,867.82 and 163,119.96

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Solution

The fourth proportional to 253,649.54, 349,867.82 and 163,119.96 is: 224,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,649.54 : 349,867.82 = 163,119.96 : x
  2. Step 2: Convert to fraction form
    253,649.54/349,867.82 = 163,119.96/x
  3. Step 3: Cross multiply
    253,649.54x = 349,867.82 × 163,119.96
  4. Step 4: Simplify right side
    253,649.54x = 57,070,425,211.49
  5. Step 5: Solve for x
    x = 57,070,425,211.49/253,649.54
  6. Step 6: Final answer
    x = 224,997.15

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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.