Home / 215,822.10-323,733.15-214,439.70

Finding the Fourth Proportional to 215,822.10, 323,733.15 and 214,439.70

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Solution

The fourth proportional to 215,822.10, 323,733.15 and 214,439.70 is: 321,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.10 : 323,733.15 = 214,439.70 : x
  2. Step 2: Convert to fraction form
    215,822.10/323,733.15 = 214,439.70/x
  3. Step 3: Cross multiply
    215,822.10x = 323,733.15 × 214,439.70
  4. Step 4: Simplify right side
    215,822.10x = 69,421,239,566.06
  5. Step 5: Solve for x
    x = 69,421,239,566.06/215,822.10
  6. Step 6: Final answer
    x = 321,659.55

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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.