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Finding the Fourth Proportional to 228,027.63, 342,048.39 and 78,265.77

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Solution

The fourth proportional to 228,027.63, 342,048.39 and 78,265.77 is: 117,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,027.63 : 342,048.39 = 78,265.77 : x
  2. Step 2: Convert to fraction form
    228,027.63/342,048.39 = 78,265.77/x
  3. Step 3: Cross multiply
    228,027.63x = 342,048.39 × 78,265.77
  4. Step 4: Simplify right side
    228,027.63x = 26,770,680,620.61
  5. Step 5: Solve for x
    x = 26,770,680,620.61/228,027.63
  6. Step 6: Final answer
    x = 117,401.04

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1.5x scale

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.