Home / 215,016.02-322,529.70-57,244.76

Finding the Fourth Proportional to 215,016.02, 322,529.70 and 57,244.76

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Solution

The fourth proportional to 215,016.02, 322,529.70 and 57,244.76 is: 85,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,016.02 : 322,529.70 = 57,244.76 : x
  2. Step 2: Convert to fraction form
    215,016.02/322,529.70 = 57,244.76/x
  3. Step 3: Cross multiply
    215,016.02x = 322,529.70 × 57,244.76
  4. Step 4: Simplify right side
    215,016.02x = 18,463,135,269.37
  5. Step 5: Solve for x
    x = 18,463,135,269.37/215,016.02
  6. Step 6: Final answer
    x = 85,868.65

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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.