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Finding the Fourth Proportional to 222,243.19, 333,375.48 and 72,483.20

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Solution

The fourth proportional to 222,243.19, 333,375.48 and 72,483.20 is: 108,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,243.19 : 333,375.48 = 72,483.20 : x
  2. Step 2: Convert to fraction form
    222,243.19/333,375.48 = 72,483.20/x
  3. Step 3: Cross multiply
    222,243.19x = 333,375.48 × 72,483.20
  4. Step 4: Simplify right side
    222,243.19x = 24,164,119,925.06
  5. Step 5: Solve for x
    x = 24,164,119,925.06/222,243.19
  6. Step 6: Final answer
    x = 108,728.28

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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.