Home / 219,400.64-329,113.71-61,641.41

Finding the Fourth Proportional to 219,400.64, 329,113.71 and 61,641.41

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Solution

The fourth proportional to 219,400.64, 329,113.71 and 61,641.41 is: 92,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,400.64 : 329,113.71 = 61,641.41 : x
  2. Step 2: Convert to fraction form
    219,400.64/329,113.71 = 61,641.41/x
  3. Step 3: Cross multiply
    219,400.64x = 329,113.71 × 61,641.41
  4. Step 4: Simplify right side
    219,400.64x = 20,287,033,134.73
  5. Step 5: Solve for x
    x = 20,287,033,134.73/219,400.64
  6. Step 6: Final answer
    x = 92,465.70

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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.