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Finding the Fourth Proportional to 216,859.56, 299,297.62 and 124,960.97

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Solution

The fourth proportional to 216,859.56, 299,297.62 and 124,960.97 is: 172,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,859.56 : 299,297.62 = 124,960.97 : x
  2. Step 2: Convert to fraction form
    216,859.56/299,297.62 = 124,960.97/x
  3. Step 3: Cross multiply
    216,859.56x = 299,297.62 × 124,960.97
  4. Step 4: Simplify right side
    216,859.56x = 37,400,520,880.55
  5. Step 5: Solve for x
    x = 37,400,520,880.55/216,859.56
  6. Step 6: Final answer
    x = 172,464.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.