Home / 380,970.24-571,499.52-144,489.60

Finding the Fourth Proportional to 380,970.24, 571,499.52 and 144,489.60

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Solution

The fourth proportional to 380,970.24, 571,499.52 and 144,489.60 is: 216,751.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,970.24 : 571,499.52 = 144,489.60 : x
  2. Step 2: Convert to fraction form
    380,970.24/571,499.52 = 144,489.60/x
  3. Step 3: Cross multiply
    380,970.24x = 571,499.52 × 144,489.60
  4. Step 4: Simplify right side
    380,970.24x = 82,575,737,044.99
  5. Step 5: Solve for x
    x = 82,575,737,044.99/380,970.24
  6. Step 6: Final answer
    x = 216,751.15

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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.