Home / 219,472.24-328,769.88-100,981.12

Finding the Fourth Proportional to 219,472.24, 328,769.88 and 100,981.12

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Solution

The fourth proportional to 219,472.24, 328,769.88 and 100,981.12 is: 151,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,472.24 : 328,769.88 = 100,981.12 : x
  2. Step 2: Convert to fraction form
    219,472.24/328,769.88 = 100,981.12/x
  3. Step 3: Cross multiply
    219,472.24x = 328,769.88 × 100,981.12
  4. Step 4: Simplify right side
    219,472.24x = 33,199,550,704.67
  5. Step 5: Solve for x
    x = 33,199,550,704.67/219,472.24
  6. Step 6: Final answer
    x = 151,269.93

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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.