Home / 228,181.35-342,199.24-78,385.52

Finding the Fourth Proportional to 228,181.35, 342,199.24 and 78,385.52

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Solution

The fourth proportional to 228,181.35, 342,199.24 and 78,385.52 is: 117,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,181.35 : 342,199.24 = 78,385.52 : x
  2. Step 2: Convert to fraction form
    228,181.35/342,199.24 = 78,385.52/x
  3. Step 3: Cross multiply
    228,181.35x = 342,199.24 × 78,385.52
  4. Step 4: Simplify right side
    228,181.35x = 26,823,466,226.50
  5. Step 5: Solve for x
    x = 26,823,466,226.50/228,181.35
  6. Step 6: Final answer
    x = 117,553.28

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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.