Home / 219,785.20-329,645.40-62,029.60

Finding the Fourth Proportional to 219,785.20, 329,645.40 and 62,029.60

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Solution

The fourth proportional to 219,785.20, 329,645.40 and 62,029.60 is: 93,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,785.20 : 329,645.40 = 62,029.60 : x
  2. Step 2: Convert to fraction form
    219,785.20/329,645.40 = 62,029.60/x
  3. Step 3: Cross multiply
    219,785.20x = 329,645.40 × 62,029.60
  4. Step 4: Simplify right side
    219,785.20x = 20,447,772,303.84
  5. Step 5: Solve for x
    x = 20,447,772,303.84/219,785.20
  6. Step 6: Final answer
    x = 93,035.26

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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.