Home / 278,267.37-417,417.63-107,490.39

Finding the Fourth Proportional to 278,267.37, 417,417.63 and 107,490.39

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Solution

The fourth proportional to 278,267.37, 417,417.63 and 107,490.39 is: 161,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,267.37 : 417,417.63 = 107,490.39 : x
  2. Step 2: Convert to fraction form
    278,267.37/417,417.63 = 107,490.39/x
  3. Step 3: Cross multiply
    278,267.37x = 417,417.63 × 107,490.39
  4. Step 4: Simplify right side
    278,267.37x = 44,868,383,841.58
  5. Step 5: Solve for x
    x = 44,868,383,841.58/278,267.37
  6. Step 6: Final answer
    x = 161,241.99

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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.