Home / 215,817.40-323,726.10-196,463.80

Finding the Fourth Proportional to 215,817.40, 323,726.10 and 196,463.80

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Solution

The fourth proportional to 215,817.40, 323,726.10 and 196,463.80 is: 294,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,817.40 : 323,726.10 = 196,463.80 : x
  2. Step 2: Convert to fraction form
    215,817.40/323,726.10 = 196,463.80/x
  3. Step 3: Cross multiply
    215,817.40x = 323,726.10 × 196,463.80
  4. Step 4: Simplify right side
    215,817.40x = 63,600,459,765.18
  5. Step 5: Solve for x
    x = 63,600,459,765.18/215,817.40
  6. Step 6: Final answer
    x = 294,695.70

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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.