Home / 219,948.02-329,928.17-77,773.20

Finding the Fourth Proportional to 219,948.02, 329,928.17 and 77,773.20

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Solution

The fourth proportional to 219,948.02, 329,928.17 and 77,773.20 is: 116,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,948.02 : 329,928.17 = 77,773.20 : x
  2. Step 2: Convert to fraction form
    219,948.02/329,928.17 = 77,773.20/x
  3. Step 3: Cross multiply
    219,948.02x = 329,928.17 × 77,773.20
  4. Step 4: Simplify right side
    219,948.02x = 25,659,569,162.18
  5. Step 5: Solve for x
    x = 25,659,569,162.18/219,948.02
  6. Step 6: Final answer
    x = 116,661.97

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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.