Home / 215,865.26-297,976.16-162,305.93

Finding the Fourth Proportional to 215,865.26, 297,976.16 and 162,305.93

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Solution

The fourth proportional to 215,865.26, 297,976.16 and 162,305.93 is: 224,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,865.26 : 297,976.16 = 162,305.93 : x
  2. Step 2: Convert to fraction form
    215,865.26/297,976.16 = 162,305.93/x
  3. Step 3: Cross multiply
    215,865.26x = 297,976.16 × 162,305.93
  4. Step 4: Simplify right side
    215,865.26x = 48,363,295,465.22
  5. Step 5: Solve for x
    x = 48,363,295,465.22/215,865.26
  6. Step 6: Final answer
    x = 224,043.91

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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.