Home / 380,860.44-571,370.76-144,197.88

Finding the Fourth Proportional to 380,860.44, 571,370.76 and 144,197.88

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Solution

The fourth proportional to 380,860.44, 571,370.76 and 144,197.88 is: 216,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,860.44 : 571,370.76 = 144,197.88 : x
  2. Step 2: Convert to fraction form
    380,860.44/571,370.76 = 144,197.88/x
  3. Step 3: Cross multiply
    380,860.44x = 571,370.76 × 144,197.88
  4. Step 4: Simplify right side
    380,860.44x = 82,390,452,285.99
  5. Step 5: Solve for x
    x = 82,390,452,285.99/380,860.44
  6. Step 6: Final answer
    x = 216,327.15

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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.