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Finding the Fourth Proportional to 286,627, 395,542.38 and 159,299.86

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Solution

The fourth proportional to 286,627, 395,542.38 and 159,299.86 is: 219,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,627 : 395,542.38 = 159,299.86 : x
  2. Step 2: Convert to fraction form
    286,627/395,542.38 = 159,299.86/x
  3. Step 3: Cross multiply
    286,627x = 395,542.38 × 159,299.86
  4. Step 4: Simplify right side
    286,627x = 63,009,845,758.07
  5. Step 5: Solve for x
    x = 63,009,845,758.07/286,627
  6. Step 6: Final answer
    x = 219,832.21

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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.