Home / 211,062.96-291,273.48-115,578.72

Finding the Fourth Proportional to 211,062.96, 291,273.48 and 115,578.72

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Solution

The fourth proportional to 211,062.96, 291,273.48 and 115,578.72 is: 159,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,062.96 : 291,273.48 = 115,578.72 : x
  2. Step 2: Convert to fraction form
    211,062.96/291,273.48 = 115,578.72/x
  3. Step 3: Cross multiply
    211,062.96x = 291,273.48 × 115,578.72
  4. Step 4: Simplify right side
    211,062.96x = 33,665,015,988.35
  5. Step 5: Solve for x
    x = 33,665,015,988.35/211,062.96
  6. Step 6: Final answer
    x = 159,502.25

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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.