Home / 278,032.14-417,097.62-100,786.74

Finding the Fourth Proportional to 278,032.14, 417,097.62 and 100,786.74

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Solution

The fourth proportional to 278,032.14, 417,097.62 and 100,786.74 is: 151,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,032.14 : 417,097.62 = 100,786.74 : x
  2. Step 2: Convert to fraction form
    278,032.14/417,097.62 = 100,786.74/x
  3. Step 3: Cross multiply
    278,032.14x = 417,097.62 × 100,786.74
  4. Step 4: Simplify right side
    278,032.14x = 42,037,909,381.56
  5. Step 5: Solve for x
    x = 42,037,909,381.56/278,032.14
  6. Step 6: Final answer
    x = 151,198.02

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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.