Home / 664,101.87-995,561.10-243,279.33

Finding the Fourth Proportional to 664,101.87, 995,561.10 and 243,279.33

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Solution

The fourth proportional to 664,101.87, 995,561.10 and 243,279.33 is: 364,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,101.87 : 995,561.10 = 243,279.33 : x
  2. Step 2: Convert to fraction form
    664,101.87/995,561.10 = 243,279.33/x
  3. Step 3: Cross multiply
    664,101.87x = 995,561.10 × 243,279.33
  4. Step 4: Simplify right side
    664,101.87x = 242,199,437,382.06
  5. Step 5: Solve for x
    x = 242,199,437,382.06/664,101.87
  6. Step 6: Final answer
    x = 364,702.24

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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.