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Finding the Fourth Proportional to 253,482.16, 349,799.96 and 138,757.82

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Solution

The fourth proportional to 253,482.16, 349,799.96 and 138,757.82 is: 191,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,482.16 : 349,799.96 = 138,757.82 : x
  2. Step 2: Convert to fraction form
    253,482.16/349,799.96 = 138,757.82/x
  3. Step 3: Cross multiply
    253,482.16x = 349,799.96 × 138,757.82
  4. Step 4: Simplify right side
    253,482.16x = 48,537,479,885.69
  5. Step 5: Solve for x
    x = 48,537,479,885.69/253,482.16
  6. Step 6: Final answer
    x = 191,482.82

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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.