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Finding the Fourth Proportional to 222,035.10, 333,055.70 and 72,276.03

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Solution

The fourth proportional to 222,035.10, 333,055.70 and 72,276.03 is: 108,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,035.10 : 333,055.70 = 72,276.03 : x
  2. Step 2: Convert to fraction form
    222,035.10/333,055.70 = 72,276.03/x
  3. Step 3: Cross multiply
    222,035.10x = 333,055.70 × 72,276.03
  4. Step 4: Simplify right side
    222,035.10x = 24,071,943,403.49
  5. Step 5: Solve for x
    x = 24,071,943,403.49/222,035.10
  6. Step 6: Final answer
    x = 108,415.04

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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.