Home / 386,082.10-578,853.15-228,229.30

Finding the Fourth Proportional to 386,082.10, 578,853.15 and 228,229.30

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Solution

The fourth proportional to 386,082.10, 578,853.15 and 228,229.30 is: 342,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,082.10 : 578,853.15 = 228,229.30 : x
  2. Step 2: Convert to fraction form
    386,082.10/578,853.15 = 228,229.30/x
  3. Step 3: Cross multiply
    386,082.10x = 578,853.15 × 228,229.30
  4. Step 4: Simplify right side
    386,082.10x = 132,111,249,227.30
  5. Step 5: Solve for x
    x = 132,111,249,227.30/386,082.10
  6. Step 6: Final answer
    x = 342,184.34

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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.