Home / 211,302.20-291,604.42-115,808.88

Finding the Fourth Proportional to 211,302.20, 291,604.42 and 115,808.88

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Solution

The fourth proportional to 211,302.20, 291,604.42 and 115,808.88 is: 159,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,302.20 : 291,604.42 = 115,808.88 : x
  2. Step 2: Convert to fraction form
    211,302.20/291,604.42 = 115,808.88/x
  3. Step 3: Cross multiply
    211,302.20x = 291,604.42 × 115,808.88
  4. Step 4: Simplify right side
    211,302.20x = 33,770,381,283.25
  5. Step 5: Solve for x
    x = 33,770,381,283.25/211,302.20
  6. Step 6: Final answer
    x = 159,820.30

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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.