Home / 254,966.40-382,449.60-253,411.20

Finding the Fourth Proportional to 254,966.40, 382,449.60 and 253,411.20

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Solution

The fourth proportional to 254,966.40, 382,449.60 and 253,411.20 is: 380,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,966.40 : 382,449.60 = 253,411.20 : x
  2. Step 2: Convert to fraction form
    254,966.40/382,449.60 = 253,411.20/x
  3. Step 3: Cross multiply
    254,966.40x = 382,449.60 × 253,411.20
  4. Step 4: Simplify right side
    254,966.40x = 96,917,012,075.52
  5. Step 5: Solve for x
    x = 96,917,012,075.52/254,966.40
  6. Step 6: Final answer
    x = 380,116.80

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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.