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Finding the Fourth Proportional to 400,601.56, 552,831.24 and 219,315.04

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Solution

The fourth proportional to 400,601.56, 552,831.24 and 219,315.04 is: 302,655.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,601.56 : 552,831.24 = 219,315.04 : x
  2. Step 2: Convert to fraction form
    400,601.56/552,831.24 = 219,315.04/x
  3. Step 3: Cross multiply
    400,601.56x = 552,831.24 × 219,315.04
  4. Step 4: Simplify right side
    400,601.56x = 121,244,205,513.85
  5. Step 5: Solve for x
    x = 121,244,205,513.85/400,601.56
  6. Step 6: Final answer
    x = 302,655.35

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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.