Home / 217,434.42-300,062.55-131,381.46

Finding the Fourth Proportional to 217,434.42, 300,062.55 and 131,381.46

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Solution

The fourth proportional to 217,434.42, 300,062.55 and 131,381.46 is: 181,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,434.42 : 300,062.55 = 131,381.46 : x
  2. Step 2: Convert to fraction form
    217,434.42/300,062.55 = 131,381.46/x
  3. Step 3: Cross multiply
    217,434.42x = 300,062.55 × 131,381.46
  4. Step 4: Simplify right side
    217,434.42x = 39,422,655,910.32
  5. Step 5: Solve for x
    x = 39,422,655,910.32/217,434.42
  6. Step 6: Final answer
    x = 181,308.26

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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.