Home / 219,437.47-329,122.50-69,658.30

Finding the Fourth Proportional to 219,437.47, 329,122.50 and 69,658.30

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Solution

The fourth proportional to 219,437.47, 329,122.50 and 69,658.30 is: 104,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,437.47 : 329,122.50 = 69,658.30 : x
  2. Step 2: Convert to fraction form
    219,437.47/329,122.50 = 69,658.30/x
  3. Step 3: Cross multiply
    219,437.47x = 329,122.50 × 69,658.30
  4. Step 4: Simplify right side
    219,437.47x = 22,926,112,757.73
  5. Step 5: Solve for x
    x = 22,926,112,757.73/219,437.47
  6. Step 6: Final answer
    x = 104,476.75

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1.5x scale

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.