Home / 297,996.12-447,275.10-108,639.51

Finding the Fourth Proportional to 297,996.12, 447,275.10 and 108,639.51

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Solution

The fourth proportional to 297,996.12, 447,275.10 and 108,639.51 is: 163,061.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,996.12 : 447,275.10 = 108,639.51 : x
  2. Step 2: Convert to fraction form
    297,996.12/447,275.10 = 108,639.51/x
  3. Step 3: Cross multiply
    297,996.12x = 447,275.10 × 108,639.51
  4. Step 4: Simplify right side
    297,996.12x = 48,591,746,429.32
  5. Step 5: Solve for x
    x = 48,591,746,429.32/297,996.12
  6. Step 6: Final answer
    x = 163,061.67

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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.