Home / 427,932.26-642,018.35-171,944.58

Finding the Fourth Proportional to 427,932.26, 642,018.35 and 171,944.58

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Solution

The fourth proportional to 427,932.26, 642,018.35 and 171,944.58 is: 257,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,932.26 : 642,018.35 = 171,944.58 : x
  2. Step 2: Convert to fraction form
    427,932.26/642,018.35 = 171,944.58/x
  3. Step 3: Cross multiply
    427,932.26x = 642,018.35 × 171,944.58
  4. Step 4: Simplify right side
    427,932.26x = 110,391,575,543.04
  5. Step 5: Solve for x
    x = 110,391,575,543.04/427,932.26
  6. Step 6: Final answer
    x = 257,965.07

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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.