Home / 219,298.20-328,959.04-69,549.86

Finding the Fourth Proportional to 219,298.20, 328,959.04 and 69,549.86

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Solution

The fourth proportional to 219,298.20, 328,959.04 and 69,549.86 is: 104,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,298.20 : 328,959.04 = 69,549.86 : x
  2. Step 2: Convert to fraction form
    219,298.20/328,959.04 = 69,549.86/x
  3. Step 3: Cross multiply
    219,298.20x = 328,959.04 × 69,549.86
  4. Step 4: Simplify right side
    219,298.20x = 22,879,055,177.73
  5. Step 5: Solve for x
    x = 22,879,055,177.73/219,298.20
  6. Step 6: Final answer
    x = 104,328.51

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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.