Home / 219,885.20-329,795.40-62,129.60

Finding the Fourth Proportional to 219,885.20, 329,795.40 and 62,129.60

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Solution

The fourth proportional to 219,885.20, 329,795.40 and 62,129.60 is: 93,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,885.20 : 329,795.40 = 62,129.60 : x
  2. Step 2: Convert to fraction form
    219,885.20/329,795.40 = 62,129.60/x
  3. Step 3: Cross multiply
    219,885.20x = 329,795.40 × 62,129.60
  4. Step 4: Simplify right side
    219,885.20x = 20,490,056,283.84
  5. Step 5: Solve for x
    x = 20,490,056,283.84/219,885.20
  6. Step 6: Final answer
    x = 93,185.25

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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.