Home / 278,462.12-417,693.18-68,097.56

Finding the Fourth Proportional to 278,462.12, 417,693.18 and 68,097.56

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Solution

The fourth proportional to 278,462.12, 417,693.18 and 68,097.56 is: 102,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,462.12 : 417,693.18 = 68,097.56 : x
  2. Step 2: Convert to fraction form
    278,462.12/417,693.18 = 68,097.56/x
  3. Step 3: Cross multiply
    278,462.12x = 417,693.18 × 68,097.56
  4. Step 4: Simplify right side
    278,462.12x = 28,443,886,386.64
  5. Step 5: Solve for x
    x = 28,443,886,386.64/278,462.12
  6. Step 6: Final answer
    x = 102,146.34

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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.