Home / 278,183.70-417,275.55-67,823.46

Finding the Fourth Proportional to 278,183.70, 417,275.55 and 67,823.46

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Solution

The fourth proportional to 278,183.70, 417,275.55 and 67,823.46 is: 101,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,183.70 : 417,275.55 = 67,823.46 : x
  2. Step 2: Convert to fraction form
    278,183.70/417,275.55 = 67,823.46/x
  3. Step 3: Cross multiply
    278,183.70x = 417,275.55 × 67,823.46
  4. Step 4: Simplify right side
    278,183.70x = 28,301,071,574.40
  5. Step 5: Solve for x
    x = 28,301,071,574.40/278,183.70
  6. Step 6: Final answer
    x = 101,735.19

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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.