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Finding the Fourth Proportional to 286,627.99, 395,543.77 and 159,300.85

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Solution

The fourth proportional to 286,627.99, 395,543.77 and 159,300.85 is: 219,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,627.99 : 395,543.77 = 159,300.85 : x
  2. Step 2: Convert to fraction form
    286,627.99/395,543.77 = 159,300.85/x
  3. Step 3: Cross multiply
    286,627.99x = 395,543.77 × 159,300.85
  4. Step 4: Simplify right side
    286,627.99x = 63,010,458,773.20
  5. Step 5: Solve for x
    x = 63,010,458,773.20/286,627.99
  6. Step 6: Final answer
    x = 219,833.59

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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.