Home / 278,437.50-417,118.68-166,207.41

Finding the Fourth Proportional to 278,437.50, 417,118.68 and 166,207.41

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Solution

The fourth proportional to 278,437.50, 417,118.68 and 166,207.41 is: 248,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,437.50 : 417,118.68 = 166,207.41 : x
  2. Step 2: Convert to fraction form
    278,437.50/417,118.68 = 166,207.41/x
  3. Step 3: Cross multiply
    278,437.50x = 417,118.68 × 166,207.41
  4. Step 4: Simplify right side
    278,437.50x = 69,328,215,465.42
  5. Step 5: Solve for x
    x = 69,328,215,465.42/278,437.50
  6. Step 6: Final answer
    x = 248,990.22

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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.