Home / 386,081.10-578,851.65-228,228.30

Finding the Fourth Proportional to 386,081.10, 578,851.65 and 228,228.30

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Solution

The fourth proportional to 386,081.10, 578,851.65 and 228,228.30 is: 342,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,081.10 : 578,851.65 = 228,228.30 : x
  2. Step 2: Convert to fraction form
    386,081.10/578,851.65 = 228,228.30/x
  3. Step 3: Cross multiply
    386,081.10x = 578,851.65 × 228,228.30
  4. Step 4: Simplify right side
    386,081.10x = 132,110,328,031.70
  5. Step 5: Solve for x
    x = 132,110,328,031.70/386,081.10
  6. Step 6: Final answer
    x = 342,182.84

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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.