Home / 219,740.10-329,610.15-215,852.10

Finding the Fourth Proportional to 219,740.10, 329,610.15 and 215,852.10

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Solution

The fourth proportional to 219,740.10, 329,610.15 and 215,852.10 is: 323,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,740.10 : 329,610.15 = 215,852.10 : x
  2. Step 2: Convert to fraction form
    219,740.10/329,610.15 = 215,852.10/x
  3. Step 3: Cross multiply
    219,740.10x = 329,610.15 × 215,852.10
  4. Step 4: Simplify right side
    219,740.10x = 71,147,043,058.82
  5. Step 5: Solve for x
    x = 71,147,043,058.82/219,740.10
  6. Step 6: Final answer
    x = 323,778.15

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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.