Home / 219,427.38-329,141.10-53,215.38

Finding the Fourth Proportional to 219,427.38, 329,141.10 and 53,215.38

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Solution

The fourth proportional to 219,427.38, 329,141.10 and 53,215.38 is: 79,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,427.38 : 329,141.10 = 53,215.38 : x
  2. Step 2: Convert to fraction form
    219,427.38/329,141.10 = 53,215.38/x
  3. Step 3: Cross multiply
    219,427.38x = 329,141.10 × 53,215.38
  4. Step 4: Simplify right side
    219,427.38x = 17,515,368,710.12
  5. Step 5: Solve for x
    x = 17,515,368,710.12/219,427.38
  6. Step 6: Final answer
    x = 79,823.08

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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.