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Finding the Fourth Proportional to 278,375.40, 417,563.10 and 246,267.52

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Solution

The fourth proportional to 278,375.40, 417,563.10 and 246,267.52 is: 369,401.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,375.40 : 417,563.10 = 246,267.52 : x
  2. Step 2: Convert to fraction form
    278,375.40/417,563.10 = 246,267.52/x
  3. Step 3: Cross multiply
    278,375.40x = 417,563.10 × 246,267.52
  4. Step 4: Simplify right side
    278,375.40x = 102,832,228,036.60
  5. Step 5: Solve for x
    x = 102,832,228,036.60/278,375.40
  6. Step 6: Final answer
    x = 369,401.28

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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.