Home / 349,729.28-482,667.36-198,848.96

Finding the Fourth Proportional to 349,729.28, 482,667.36 and 198,848.96

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Solution

The fourth proportional to 349,729.28, 482,667.36 and 198,848.96 is: 274,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,729.28 : 482,667.36 = 198,848.96 : x
  2. Step 2: Convert to fraction form
    349,729.28/482,667.36 = 198,848.96/x
  3. Step 3: Cross multiply
    349,729.28x = 482,667.36 × 198,848.96
  4. Step 4: Simplify right side
    349,729.28x = 95,977,902,561.95
  5. Step 5: Solve for x
    x = 95,977,902,561.95/349,729.28
  6. Step 6: Final answer
    x = 274,434.85

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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.