Home / 260,834.76-390,987.45-148,282.47

Finding the Fourth Proportional to 260,834.76, 390,987.45 and 148,282.47

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Solution

The fourth proportional to 260,834.76, 390,987.45 and 148,282.47 is: 222,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,834.76 : 390,987.45 = 148,282.47 : x
  2. Step 2: Convert to fraction form
    260,834.76/390,987.45 = 148,282.47/x
  3. Step 3: Cross multiply
    260,834.76x = 390,987.45 × 148,282.47
  4. Step 4: Simplify right side
    260,834.76x = 57,976,584,825.00
  5. Step 5: Solve for x
    x = 57,976,584,825.00/260,834.76
  6. Step 6: Final answer
    x = 222,273.23

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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.