Home / 254,966.60-382,449.90-210,643.40

Finding the Fourth Proportional to 254,966.60, 382,449.90 and 210,643.40

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Solution

The fourth proportional to 254,966.60, 382,449.90 and 210,643.40 is: 315,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,966.60 : 382,449.90 = 210,643.40 : x
  2. Step 2: Convert to fraction form
    254,966.60/382,449.90 = 210,643.40/x
  3. Step 3: Cross multiply
    254,966.60x = 382,449.90 × 210,643.40
  4. Step 4: Simplify right side
    254,966.60x = 80,560,547,265.66
  5. Step 5: Solve for x
    x = 80,560,547,265.66/254,966.60
  6. Step 6: Final answer
    x = 315,965.10

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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.