Home / 254,435.40-381,653.10-88,240.20

Finding the Fourth Proportional to 254,435.40, 381,653.10 and 88,240.20

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Solution

The fourth proportional to 254,435.40, 381,653.10 and 88,240.20 is: 132,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,435.40 : 381,653.10 = 88,240.20 : x
  2. Step 2: Convert to fraction form
    254,435.40/381,653.10 = 88,240.20/x
  3. Step 3: Cross multiply
    254,435.40x = 381,653.10 × 88,240.20
  4. Step 4: Simplify right side
    254,435.40x = 33,677,145,874.62
  5. Step 5: Solve for x
    x = 33,677,145,874.62/254,435.40
  6. Step 6: Final answer
    x = 132,360.30

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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.