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Finding the Fourth Proportional to 318,116.39, 477,162.11 and 107,754.32

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Solution

The fourth proportional to 318,116.39, 477,162.11 and 107,754.32 is: 161,627.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,116.39 : 477,162.11 = 107,754.32 : x
  2. Step 2: Convert to fraction form
    318,116.39/477,162.11 = 107,754.32/x
  3. Step 3: Cross multiply
    318,116.39x = 477,162.11 × 107,754.32
  4. Step 4: Simplify right side
    318,116.39x = 51,416,276,576.39
  5. Step 5: Solve for x
    x = 51,416,276,576.39/318,116.39
  6. Step 6: Final answer
    x = 161,627.25

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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.