Home / 219,106.92-328,698.18-69,344.76

Finding the Fourth Proportional to 219,106.92, 328,698.18 and 69,344.76

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Solution

The fourth proportional to 219,106.92, 328,698.18 and 69,344.76 is: 104,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,106.92 : 328,698.18 = 69,344.76 : x
  2. Step 2: Convert to fraction form
    219,106.92/328,698.18 = 69,344.76/x
  3. Step 3: Cross multiply
    219,106.92x = 328,698.18 × 69,344.76
  4. Step 4: Simplify right side
    219,106.92x = 22,793,496,404.54
  5. Step 5: Solve for x
    x = 22,793,496,404.54/219,106.92
  6. Step 6: Final answer
    x = 104,029.10

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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.