Home / 254,579.20-382,276.80-202,422.40

Finding the Fourth Proportional to 254,579.20, 382,276.80 and 202,422.40

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Solution

The fourth proportional to 254,579.20, 382,276.80 and 202,422.40 is: 303,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,579.20 : 382,276.80 = 202,422.40 : x
  2. Step 2: Convert to fraction form
    254,579.20/382,276.80 = 202,422.40/x
  3. Step 3: Cross multiply
    254,579.20x = 382,276.80 × 202,422.40
  4. Step 4: Simplify right side
    254,579.20x = 77,381,387,320.32
  5. Step 5: Solve for x
    x = 77,381,387,320.32/254,579.20
  6. Step 6: Final answer
    x = 303,958.01

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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.