Home / 211,432.80-291,777.12-115,941.04

Finding the Fourth Proportional to 211,432.80, 291,777.12 and 115,941.04

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Solution

The fourth proportional to 211,432.80, 291,777.12 and 115,941.04 is: 159,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,432.80 : 291,777.12 = 115,941.04 : x
  2. Step 2: Convert to fraction form
    211,432.80/291,777.12 = 115,941.04/x
  3. Step 3: Cross multiply
    211,432.80x = 291,777.12 × 115,941.04
  4. Step 4: Simplify right side
    211,432.80x = 33,828,942,741.00
  5. Step 5: Solve for x
    x = 33,828,942,741.00/211,432.80
  6. Step 6: Final answer
    x = 159,998.56

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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.