Home / 317,397.27-438,008.25-181,434.18

Finding the Fourth Proportional to 317,397.27, 438,008.25 and 181,434.18

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Solution

The fourth proportional to 317,397.27, 438,008.25 and 181,434.18 is: 250,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,397.27 : 438,008.25 = 181,434.18 : x
  2. Step 2: Convert to fraction form
    317,397.27/438,008.25 = 181,434.18/x
  3. Step 3: Cross multiply
    317,397.27x = 438,008.25 × 181,434.18
  4. Step 4: Simplify right side
    317,397.27x = 79,469,667,671.99
  5. Step 5: Solve for x
    x = 79,469,667,671.99/317,397.27
  6. Step 6: Final answer
    x = 250,379.18

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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.