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Finding the Fourth Proportional to 558,891.06, 837,831.02 and 203,821.90

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Solution

The fourth proportional to 558,891.06, 837,831.02 and 203,821.90 is: 305,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,891.06 : 837,831.02 = 203,821.90 : x
  2. Step 2: Convert to fraction form
    558,891.06/837,831.02 = 203,821.90/x
  3. Step 3: Cross multiply
    558,891.06x = 837,831.02 × 203,821.90
  4. Step 4: Simplify right side
    558,891.06x = 170,768,310,375.34
  5. Step 5: Solve for x
    x = 170,768,310,375.34/558,891.06
  6. Step 6: Final answer
    x = 305,548.47

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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.