Home / 254,720.40-382,080.60-148,432.20

Finding the Fourth Proportional to 254,720.40, 382,080.60 and 148,432.20

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Solution

The fourth proportional to 254,720.40, 382,080.60 and 148,432.20 is: 222,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,720.40 : 382,080.60 = 148,432.20 : x
  2. Step 2: Convert to fraction form
    254,720.40/382,080.60 = 148,432.20/x
  3. Step 3: Cross multiply
    254,720.40x = 382,080.60 × 148,432.20
  4. Step 4: Simplify right side
    254,720.40x = 56,713,064,035.32
  5. Step 5: Solve for x
    x = 56,713,064,035.32/254,720.40
  6. Step 6: Final answer
    x = 222,648.30

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1.5x scale

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.