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Finding the Fourth Proportional to 275,746.80, 413,620.20 and 88,758.30

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Solution

The fourth proportional to 275,746.80, 413,620.20 and 88,758.30 is: 133,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,746.80 : 413,620.20 = 88,758.30 : x
  2. Step 2: Convert to fraction form
    275,746.80/413,620.20 = 88,758.30/x
  3. Step 3: Cross multiply
    275,746.80x = 413,620.20 × 88,758.30
  4. Step 4: Simplify right side
    275,746.80x = 36,712,225,797.66
  5. Step 5: Solve for x
    x = 36,712,225,797.66/275,746.80
  6. Step 6: Final answer
    x = 133,137.45

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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.