Home / 219,370.10-328,836.45-100,834.70

Finding the Fourth Proportional to 219,370.10, 328,836.45 and 100,834.70

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Solution

The fourth proportional to 219,370.10, 328,836.45 and 100,834.70 is: 151,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,370.10 : 328,836.45 = 100,834.70 : x
  2. Step 2: Convert to fraction form
    219,370.10/328,836.45 = 100,834.70/x
  3. Step 3: Cross multiply
    219,370.10x = 328,836.45 × 100,834.70
  4. Step 4: Simplify right side
    219,370.10x = 33,158,124,784.82
  5. Step 5: Solve for x
    x = 33,158,124,784.82/219,370.10
  6. Step 6: Final answer
    x = 151,151.52

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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.