Home / 445,513.28-668,251.55-161,210.57

Finding the Fourth Proportional to 445,513.28, 668,251.55 and 161,210.57

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Solution

The fourth proportional to 445,513.28, 668,251.55 and 161,210.57 is: 241,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,513.28 : 668,251.55 = 161,210.57 : x
  2. Step 2: Convert to fraction form
    445,513.28/668,251.55 = 161,210.57/x
  3. Step 3: Cross multiply
    445,513.28x = 668,251.55 × 161,210.57
  4. Step 4: Simplify right side
    445,513.28x = 107,729,210,340.65
  5. Step 5: Solve for x
    x = 107,729,210,340.65/445,513.28
  6. Step 6: Final answer
    x = 241,809.20

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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.