Home / 219,909.03-329,486.52-147,726.66

Finding the Fourth Proportional to 219,909.03, 329,486.52 and 147,726.66

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Solution

The fourth proportional to 219,909.03, 329,486.52 and 147,726.66 is: 221,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,909.03 : 329,486.52 = 147,726.66 : x
  2. Step 2: Convert to fraction form
    219,909.03/329,486.52 = 147,726.66/x
  3. Step 3: Cross multiply
    219,909.03x = 329,486.52 × 147,726.66
  4. Step 4: Simplify right side
    219,909.03x = 48,673,943,114.62
  5. Step 5: Solve for x
    x = 48,673,943,114.62/219,909.03
  6. Step 6: Final answer
    x = 221,336.72

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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.