Home / 400,120.29-552,158.24-218,831.64

Finding the Fourth Proportional to 400,120.29, 552,158.24 and 218,831.64

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Solution

The fourth proportional to 400,120.29, 552,158.24 and 218,831.64 is: 301,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,120.29 : 552,158.24 = 218,831.64 : x
  2. Step 2: Convert to fraction form
    400,120.29/552,158.24 = 218,831.64/x
  3. Step 3: Cross multiply
    400,120.29x = 552,158.24 × 218,831.64
  4. Step 4: Simplify right side
    400,120.29x = 120,829,692,104.56
  5. Step 5: Solve for x
    x = 120,829,692,104.56/400,120.29
  6. Step 6: Final answer
    x = 301,983.42

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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.