Home / 219,815.40-329,531.10-149,466.60

Finding the Fourth Proportional to 219,815.40, 329,531.10 and 149,466.60

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Solution

The fourth proportional to 219,815.40, 329,531.10 and 149,466.60 is: 224,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,815.40 : 329,531.10 = 149,466.60 : x
  2. Step 2: Convert to fraction form
    219,815.40/329,531.10 = 149,466.60/x
  3. Step 3: Cross multiply
    219,815.40x = 329,531.10 × 149,466.60
  4. Step 4: Simplify right side
    219,815.40x = 49,253,893,111.26
  5. Step 5: Solve for x
    x = 49,253,893,111.26/219,815.40
  6. Step 6: Final answer
    x = 224,069.35

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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.