Home / 313,191.30-469,785.13-113,465.05

Finding the Fourth Proportional to 313,191.30, 469,785.13 and 113,465.05

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Solution

The fourth proportional to 313,191.30, 469,785.13 and 113,465.05 is: 170,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,191.30 : 469,785.13 = 113,465.05 : x
  2. Step 2: Convert to fraction form
    313,191.30/469,785.13 = 113,465.05/x
  3. Step 3: Cross multiply
    313,191.30x = 469,785.13 × 113,465.05
  4. Step 4: Simplify right side
    313,191.30x = 53,304,191,806.58
  5. Step 5: Solve for x
    x = 53,304,191,806.58/313,191.30
  6. Step 6: Final answer
    x = 170,196.91

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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.