Home / 312,785.19-431,650.08-176,811.03

Finding the Fourth Proportional to 312,785.19, 431,650.08 and 176,811.03

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Solution

The fourth proportional to 312,785.19, 431,650.08 and 176,811.03 is: 244,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,785.19 : 431,650.08 = 176,811.03 : x
  2. Step 2: Convert to fraction form
    312,785.19/431,650.08 = 176,811.03/x
  3. Step 3: Cross multiply
    312,785.19x = 431,650.08 × 176,811.03
  4. Step 4: Simplify right side
    312,785.19x = 76,320,495,244.38
  5. Step 5: Solve for x
    x = 76,320,495,244.38/312,785.19
  6. Step 6: Final answer
    x = 244,002.91

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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.