Home / 315,330.27-435,165.30-179,383.71

Finding the Fourth Proportional to 315,330.27, 435,165.30 and 179,383.71

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Solution

The fourth proportional to 315,330.27, 435,165.30 and 179,383.71 is: 247,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,330.27 : 435,165.30 = 179,383.71 : x
  2. Step 2: Convert to fraction form
    315,330.27/435,165.30 = 179,383.71/x
  3. Step 3: Cross multiply
    315,330.27x = 435,165.30 × 179,383.71
  4. Step 4: Simplify right side
    315,330.27x = 78,061,565,977.26
  5. Step 5: Solve for x
    x = 78,061,565,977.26/315,330.27
  6. Step 6: Final answer
    x = 247,554.94

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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.