Home / 268,834.16-370,992.48-147,987.60

Finding the Fourth Proportional to 268,834.16, 370,992.48 and 147,987.60

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Solution

The fourth proportional to 268,834.16, 370,992.48 and 147,987.60 is: 204,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,834.16 : 370,992.48 = 147,987.60 : x
  2. Step 2: Convert to fraction form
    268,834.16/370,992.48 = 147,987.60/x
  3. Step 3: Cross multiply
    268,834.16x = 370,992.48 × 147,987.60
  4. Step 4: Simplify right side
    268,834.16x = 54,902,286,733.25
  5. Step 5: Solve for x
    x = 54,902,286,733.25/268,834.16
  6. Step 6: Final answer
    x = 204,223.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.