Home / 278,362.14-417,170.97-144,962.34

Finding the Fourth Proportional to 278,362.14, 417,170.97 and 144,962.34

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Solution

The fourth proportional to 278,362.14, 417,170.97 and 144,962.34 is: 217,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,362.14 : 417,170.97 = 144,962.34 : x
  2. Step 2: Convert to fraction form
    278,362.14/417,170.97 = 144,962.34/x
  3. Step 3: Cross multiply
    278,362.14x = 417,170.97 × 144,962.34
  4. Step 4: Simplify right side
    278,362.14x = 60,474,079,991.27
  5. Step 5: Solve for x
    x = 60,474,079,991.27/278,362.14
  6. Step 6: Final answer
    x = 217,249.66

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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.