Home / 278,197.92-417,380.04-197,300.79

Finding the Fourth Proportional to 278,197.92, 417,380.04 and 197,300.79

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Solution

The fourth proportional to 278,197.92, 417,380.04 and 197,300.79 is: 296,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,197.92 : 417,380.04 = 197,300.79 : x
  2. Step 2: Convert to fraction form
    278,197.92/417,380.04 = 197,300.79/x
  3. Step 3: Cross multiply
    278,197.92x = 417,380.04 × 197,300.79
  4. Step 4: Simplify right side
    278,197.92x = 82,349,411,622.23
  5. Step 5: Solve for x
    x = 82,349,411,622.23/278,197.92
  6. Step 6: Final answer
    x = 296,010.16

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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.