Home / 351,769.74-527,729.14-135,634

Finding the Fourth Proportional to 351,769.74, 527,729.14 and 135,634

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Solution

The fourth proportional to 351,769.74, 527,729.14 and 135,634 is: 203,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,769.74 : 527,729.14 = 135,634 : x
  2. Step 2: Convert to fraction form
    351,769.74/527,729.14 = 135,634/x
  3. Step 3: Cross multiply
    351,769.74x = 527,729.14 × 135,634
  4. Step 4: Simplify right side
    351,769.74x = 71,578,014,174.76
  5. Step 5: Solve for x
    x = 71,578,014,174.76/351,769.74
  6. Step 6: Final answer
    x = 203,479.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.