Home / 281,807.20-422,768.40-94,837.60

Finding the Fourth Proportional to 281,807.20, 422,768.40 and 94,837.60

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Solution

The fourth proportional to 281,807.20, 422,768.40 and 94,837.60 is: 142,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,807.20 : 422,768.40 = 94,837.60 : x
  2. Step 2: Convert to fraction form
    281,807.20/422,768.40 = 94,837.60/x
  3. Step 3: Cross multiply
    281,807.20x = 422,768.40 × 94,837.60
  4. Step 4: Simplify right side
    281,807.20x = 40,094,340,411.84
  5. Step 5: Solve for x
    x = 40,094,340,411.84/281,807.20
  6. Step 6: Final answer
    x = 142,275.78

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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.