Home / 279,884.28-385,935.08-189,082.58

Finding the Fourth Proportional to 279,884.28, 385,935.08 and 189,082.58

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Solution

The fourth proportional to 279,884.28, 385,935.08 and 189,082.58 is: 260,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,884.28 : 385,935.08 = 189,082.58 : x
  2. Step 2: Convert to fraction form
    279,884.28/385,935.08 = 189,082.58/x
  3. Step 3: Cross multiply
    279,884.28x = 385,935.08 × 189,082.58
  4. Step 4: Simplify right side
    279,884.28x = 72,973,600,658.33
  5. Step 5: Solve for x
    x = 72,973,600,658.33/279,884.28
  6. Step 6: Final answer
    x = 260,727.76

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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.