Home / 254,700.20-382,458.30-202,543.40

Finding the Fourth Proportional to 254,700.20, 382,458.30 and 202,543.40

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Solution

The fourth proportional to 254,700.20, 382,458.30 and 202,543.40 is: 304,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,700.20 : 382,458.30 = 202,543.40 : x
  2. Step 2: Convert to fraction form
    254,700.20/382,458.30 = 202,543.40/x
  3. Step 3: Cross multiply
    254,700.20x = 382,458.30 × 202,543.40
  4. Step 4: Simplify right side
    254,700.20x = 77,464,404,440.22
  5. Step 5: Solve for x
    x = 77,464,404,440.22/254,700.20
  6. Step 6: Final answer
    x = 304,139.55

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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.