Home / 254,687.10-382,030.65-121,498.80

Finding the Fourth Proportional to 254,687.10, 382,030.65 and 121,498.80

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Solution

The fourth proportional to 254,687.10, 382,030.65 and 121,498.80 is: 182,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,687.10 : 382,030.65 = 121,498.80 : x
  2. Step 2: Convert to fraction form
    254,687.10/382,030.65 = 121,498.80/x
  3. Step 3: Cross multiply
    254,687.10x = 382,030.65 × 121,498.80
  4. Step 4: Simplify right side
    254,687.10x = 46,416,265,538.22
  5. Step 5: Solve for x
    x = 46,416,265,538.22/254,687.10
  6. Step 6: Final answer
    x = 182,248.20

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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.