Home / 211,260.75-316,677.89-132,430.33

Finding the Fourth Proportional to 211,260.75, 316,677.89 and 132,430.33

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Solution

The fourth proportional to 211,260.75, 316,677.89 and 132,430.33 is: 198,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,260.75 : 316,677.89 = 132,430.33 : x
  2. Step 2: Convert to fraction form
    211,260.75/316,677.89 = 132,430.33/x
  3. Step 3: Cross multiply
    211,260.75x = 316,677.89 × 132,430.33
  4. Step 4: Simplify right side
    211,260.75x = 41,937,757,476.40
  5. Step 5: Solve for x
    x = 41,937,757,476.40/211,260.75
  6. Step 6: Final answer
    x = 198,511.83

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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.