Home / 215,017.56-322,605.18-74,816.28

Finding the Fourth Proportional to 215,017.56, 322,605.18 and 74,816.28

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Solution

The fourth proportional to 215,017.56, 322,605.18 and 74,816.28 is: 112,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,017.56 : 322,605.18 = 74,816.28 : x
  2. Step 2: Convert to fraction form
    215,017.56/322,605.18 = 74,816.28/x
  3. Step 3: Cross multiply
    215,017.56x = 322,605.18 × 74,816.28
  4. Step 4: Simplify right side
    215,017.56x = 24,136,119,476.33
  5. Step 5: Solve for x
    x = 24,136,119,476.33/215,017.56
  6. Step 6: Final answer
    x = 112,251.85

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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.