Home / 254,904.20-382,356.30-136,806.20

Finding the Fourth Proportional to 254,904.20, 382,356.30 and 136,806.20

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Solution

The fourth proportional to 254,904.20, 382,356.30 and 136,806.20 is: 205,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,904.20 : 382,356.30 = 136,806.20 : x
  2. Step 2: Convert to fraction form
    254,904.20/382,356.30 = 136,806.20/x
  3. Step 3: Cross multiply
    254,904.20x = 382,356.30 × 136,806.20
  4. Step 4: Simplify right side
    254,904.20x = 52,308,712,449.06
  5. Step 5: Solve for x
    x = 52,308,712,449.06/254,904.20
  6. Step 6: Final answer
    x = 205,209.30

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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.