Home / 219,373.18-329,057.34-69,613.36

Finding the Fourth Proportional to 219,373.18, 329,057.34 and 69,613.36

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Solution

The fourth proportional to 219,373.18, 329,057.34 and 69,613.36 is: 104,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,373.18 : 329,057.34 = 69,613.36 : x
  2. Step 2: Convert to fraction form
    219,373.18/329,057.34 = 69,613.36/x
  3. Step 3: Cross multiply
    219,373.18x = 329,057.34 × 69,613.36
  4. Step 4: Simplify right side
    219,373.18x = 22,906,787,070.06
  5. Step 5: Solve for x
    x = 22,906,787,070.06/219,373.18
  6. Step 6: Final answer
    x = 104,419.27

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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.