Home / 219,719.60-329,579.40-148,860.80

Finding the Fourth Proportional to 219,719.60, 329,579.40 and 148,860.80

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Solution

The fourth proportional to 219,719.60, 329,579.40 and 148,860.80 is: 223,291.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,719.60 : 329,579.40 = 148,860.80 : x
  2. Step 2: Convert to fraction form
    219,719.60/329,579.40 = 148,860.80/x
  3. Step 3: Cross multiply
    219,719.60x = 329,579.40 × 148,860.80
  4. Step 4: Simplify right side
    219,719.60x = 49,061,453,147.52
  5. Step 5: Solve for x
    x = 49,061,453,147.52/219,719.60
  6. Step 6: Final answer
    x = 223,291.20

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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.