Home / 447,976.80-672,062.52-208,237.86

Finding the Fourth Proportional to 447,976.80, 672,062.52 and 208,237.86

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Solution

The fourth proportional to 447,976.80, 672,062.52 and 208,237.86 is: 312,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,976.80 : 672,062.52 = 208,237.86 : x
  2. Step 2: Convert to fraction form
    447,976.80/672,062.52 = 208,237.86/x
  3. Step 3: Cross multiply
    447,976.80x = 672,062.52 × 208,237.86
  4. Step 4: Simplify right side
    447,976.80x = 139,948,860,951.01
  5. Step 5: Solve for x
    x = 139,948,860,951.01/447,976.80
  6. Step 6: Final answer
    x = 312,402.03

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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.