Home / 295,213.57-407,325.18-218,909.14

Finding the Fourth Proportional to 295,213.57, 407,325.18 and 218,909.14

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Solution

The fourth proportional to 295,213.57, 407,325.18 and 218,909.14 is: 302,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,213.57 : 407,325.18 = 218,909.14 : x
  2. Step 2: Convert to fraction form
    295,213.57/407,325.18 = 218,909.14/x
  3. Step 3: Cross multiply
    295,213.57x = 407,325.18 × 218,909.14
  4. Step 4: Simplify right side
    295,213.57x = 89,167,204,854.15
  5. Step 5: Solve for x
    x = 89,167,204,854.15/295,213.57
  6. Step 6: Final answer
    x = 302,043.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.