Home / 219,034.26-328,591.89-69,312.24

Finding the Fourth Proportional to 219,034.26, 328,591.89 and 69,312.24

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Solution

The fourth proportional to 219,034.26, 328,591.89 and 69,312.24 is: 103,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,034.26 : 328,591.89 = 69,312.24 : x
  2. Step 2: Convert to fraction form
    219,034.26/328,591.89 = 69,312.24/x
  3. Step 3: Cross multiply
    219,034.26x = 328,591.89 × 69,312.24
  4. Step 4: Simplify right side
    219,034.26x = 22,775,439,941.73
  5. Step 5: Solve for x
    x = 22,775,439,941.73/219,034.26
  6. Step 6: Final answer
    x = 103,981.18

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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.