Home / 211,272.92-291,558.92-115,777.56

Finding the Fourth Proportional to 211,272.92, 291,558.92 and 115,777.56

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Solution

The fourth proportional to 211,272.92, 291,558.92 and 115,777.56 is: 159,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,272.92 : 291,558.92 = 115,777.56 : x
  2. Step 2: Convert to fraction form
    211,272.92/291,558.92 = 115,777.56/x
  3. Step 3: Cross multiply
    211,272.92x = 291,558.92 × 115,777.56
  4. Step 4: Simplify right side
    211,272.92x = 33,755,980,353.84
  5. Step 5: Solve for x
    x = 33,755,980,353.84/211,272.92
  6. Step 6: Final answer
    x = 159,774.29

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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.