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Finding the Fourth Proportional to 293,432.88, 440,060.40 and 113,486.16

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Solution

The fourth proportional to 293,432.88, 440,060.40 and 113,486.16 is: 170,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,432.88 : 440,060.40 = 113,486.16 : x
  2. Step 2: Convert to fraction form
    293,432.88/440,060.40 = 113,486.16/x
  3. Step 3: Cross multiply
    293,432.88x = 440,060.40 × 113,486.16
  4. Step 4: Simplify right side
    293,432.88x = 49,940,764,964.06
  5. Step 5: Solve for x
    x = 49,940,764,964.06/293,432.88
  6. Step 6: Final answer
    x = 170,194.85

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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.