Home / 218,416.08-301,338.76-132,402.64

Finding the Fourth Proportional to 218,416.08, 301,338.76 and 132,402.64

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Solution

The fourth proportional to 218,416.08, 301,338.76 and 132,402.64 is: 182,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,416.08 : 301,338.76 = 132,402.64 : x
  2. Step 2: Convert to fraction form
    218,416.08/301,338.76 = 132,402.64/x
  3. Step 3: Cross multiply
    218,416.08x = 301,338.76 × 132,402.64
  4. Step 4: Simplify right side
    218,416.08x = 39,898,047,358.33
  5. Step 5: Solve for x
    x = 39,898,047,358.33/218,416.08
  6. Step 6: Final answer
    x = 182,669.92

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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.