Home / 278,688.16-417,983.01-110,152.46

Finding the Fourth Proportional to 278,688.16, 417,983.01 and 110,152.46

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Solution

The fourth proportional to 278,688.16, 417,983.01 and 110,152.46 is: 165,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,688.16 : 417,983.01 = 110,152.46 : x
  2. Step 2: Convert to fraction form
    278,688.16/417,983.01 = 110,152.46/x
  3. Step 3: Cross multiply
    278,688.16x = 417,983.01 × 110,152.46
  4. Step 4: Simplify right side
    278,688.16x = 46,041,856,789.70
  5. Step 5: Solve for x
    x = 46,041,856,789.70/278,688.16
  6. Step 6: Final answer
    x = 165,209.23

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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.