Home / 211,258.75-316,674.89-132,428.33

Finding the Fourth Proportional to 211,258.75, 316,674.89 and 132,428.33

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Solution

The fourth proportional to 211,258.75, 316,674.89 and 132,428.33 is: 198,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,258.75 : 316,674.89 = 132,428.33 : x
  2. Step 2: Convert to fraction form
    211,258.75/316,674.89 = 132,428.33/x
  3. Step 3: Cross multiply
    211,258.75x = 316,674.89 × 132,428.33
  4. Step 4: Simplify right side
    211,258.75x = 41,936,727,461.79
  5. Step 5: Solve for x
    x = 41,936,727,461.79/211,258.75
  6. Step 6: Final answer
    x = 198,508.83

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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.