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Finding the Fourth Proportional to 222,800.10, 334,200.15 and 220,831.80

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Solution

The fourth proportional to 222,800.10, 334,200.15 and 220,831.80 is: 331,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,800.10 : 334,200.15 = 220,831.80 : x
  2. Step 2: Convert to fraction form
    222,800.10/334,200.15 = 220,831.80/x
  3. Step 3: Cross multiply
    222,800.10x = 334,200.15 × 220,831.80
  4. Step 4: Simplify right side
    222,800.10x = 73,802,020,684.77
  5. Step 5: Solve for x
    x = 73,802,020,684.77/222,800.10
  6. Step 6: Final answer
    x = 331,247.70

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1.5x scale

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.