Home / 250,348.40-375,483.36-81,867.32

Finding the Fourth Proportional to 250,348.40, 375,483.36 and 81,867.32

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Solution

The fourth proportional to 250,348.40, 375,483.36 and 81,867.32 is: 122,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,348.40 : 375,483.36 = 81,867.32 : x
  2. Step 2: Convert to fraction form
    250,348.40/375,483.36 = 81,867.32/x
  3. Step 3: Cross multiply
    250,348.40x = 375,483.36 × 81,867.32
  4. Step 4: Simplify right side
    250,348.40x = 30,739,816,387.80
  5. Step 5: Solve for x
    x = 30,739,816,387.80/250,348.40
  6. Step 6: Final answer
    x = 122,788.15

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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.