Home / 219,725.28-329,541.75-61,911.36

Finding the Fourth Proportional to 219,725.28, 329,541.75 and 61,911.36

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Solution

The fourth proportional to 219,725.28, 329,541.75 and 61,911.36 is: 92,854.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,725.28 : 329,541.75 = 61,911.36 : x
  2. Step 2: Convert to fraction form
    219,725.28/329,541.75 = 61,911.36/x
  3. Step 3: Cross multiply
    219,725.28x = 329,541.75 × 61,911.36
  4. Step 4: Simplify right side
    219,725.28x = 20,402,377,919.28
  5. Step 5: Solve for x
    x = 20,402,377,919.28/219,725.28
  6. Step 6: Final answer
    x = 92,854.03

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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.