Home / 219,429.36-329,156.33-61,645.50

Finding the Fourth Proportional to 219,429.36, 329,156.33 and 61,645.50

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Solution

The fourth proportional to 219,429.36, 329,156.33 and 61,645.50 is: 92,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,429.36 : 329,156.33 = 61,645.50 : x
  2. Step 2: Convert to fraction form
    219,429.36/329,156.33 = 61,645.50/x
  3. Step 3: Cross multiply
    219,429.36x = 329,156.33 × 61,645.50
  4. Step 4: Simplify right side
    219,429.36x = 20,291,006,232.79
  5. Step 5: Solve for x
    x = 20,291,006,232.79/219,429.36
  6. Step 6: Final answer
    x = 92,471.70

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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.