Home / 414,931.80-622,704.90-165,792.60

Finding the Fourth Proportional to 414,931.80, 622,704.90 and 165,792.60

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Solution

The fourth proportional to 414,931.80, 622,704.90 and 165,792.60 is: 248,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,931.80 : 622,704.90 = 165,792.60 : x
  2. Step 2: Convert to fraction form
    414,931.80/622,704.90 = 165,792.60/x
  3. Step 3: Cross multiply
    414,931.80x = 622,704.90 × 165,792.60
  4. Step 4: Simplify right side
    414,931.80x = 103,239,864,403.74
  5. Step 5: Solve for x
    x = 103,239,864,403.74/414,931.80
  6. Step 6: Final answer
    x = 248,811.65

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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.