Home / 228,979.17-343,500.05-79,179.26

Finding the Fourth Proportional to 228,979.17, 343,500.05 and 79,179.26

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Solution

The fourth proportional to 228,979.17, 343,500.05 and 79,179.26 is: 118,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,979.17 : 343,500.05 = 79,179.26 : x
  2. Step 2: Convert to fraction form
    228,979.17/343,500.05 = 79,179.26/x
  3. Step 3: Cross multiply
    228,979.17x = 343,500.05 × 79,179.26
  4. Step 4: Simplify right side
    228,979.17x = 27,198,078,249.41
  5. Step 5: Solve for x
    x = 27,198,078,249.41/228,979.17
  6. Step 6: Final answer
    x = 118,779.70

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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.