Home / 286,774.20-395,747.10-159,442.20

Finding the Fourth Proportional to 286,774.20, 395,747.10 and 159,442.20

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Solution

The fourth proportional to 286,774.20, 395,747.10 and 159,442.20 is: 220,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,774.20 : 395,747.10 = 159,442.20 : x
  2. Step 2: Convert to fraction form
    286,774.20/395,747.10 = 159,442.20/x
  3. Step 3: Cross multiply
    286,774.20x = 395,747.10 × 159,442.20
  4. Step 4: Simplify right side
    286,774.20x = 63,098,788,267.62
  5. Step 5: Solve for x
    x = 63,098,788,267.62/286,774.20
  6. Step 6: Final answer
    x = 220,029.52

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1.5x scale

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.