Home / 215,336.56-323,026.35-82,328.71

Finding the Fourth Proportional to 215,336.56, 323,026.35 and 82,328.71

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Solution

The fourth proportional to 215,336.56, 323,026.35 and 82,328.71 is: 123,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,336.56 : 323,026.35 = 82,328.71 : x
  2. Step 2: Convert to fraction form
    215,336.56/323,026.35 = 82,328.71/x
  3. Step 3: Cross multiply
    215,336.56x = 323,026.35 × 82,328.71
  4. Step 4: Simplify right side
    215,336.56x = 26,594,342,691.51
  5. Step 5: Solve for x
    x = 26,594,342,691.51/215,336.56
  6. Step 6: Final answer
    x = 123,501.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.