Home / 254,656.20-382,392.30-202,499.40

Finding the Fourth Proportional to 254,656.20, 382,392.30 and 202,499.40

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Solution

The fourth proportional to 254,656.20, 382,392.30 and 202,499.40 is: 304,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,656.20 : 382,392.30 = 202,499.40 : x
  2. Step 2: Convert to fraction form
    254,656.20/382,392.30 = 202,499.40/x
  3. Step 3: Cross multiply
    254,656.20x = 382,392.30 × 202,499.40
  4. Step 4: Simplify right side
    254,656.20x = 77,434,211,314.62
  5. Step 5: Solve for x
    x = 77,434,211,314.62/254,656.20
  6. Step 6: Final answer
    x = 304,073.54

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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.