Home / 451,815.17-677,727.61-136,274.81

Finding the Fourth Proportional to 451,815.17, 677,727.61 and 136,274.81

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Solution

The fourth proportional to 451,815.17, 677,727.61 and 136,274.81 is: 204,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,815.17 : 677,727.61 = 136,274.81 : x
  2. Step 2: Convert to fraction form
    451,815.17/677,727.61 = 136,274.81/x
  3. Step 3: Cross multiply
    451,815.17x = 677,727.61 × 136,274.81
  4. Step 4: Simplify right side
    451,815.17x = 92,357,197,555.18
  5. Step 5: Solve for x
    x = 92,357,197,555.18/451,815.17
  6. Step 6: Final answer
    x = 204,413.67

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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.