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Finding the Fourth Proportional to 222,300.55, 333,451.68 and 53,820.62

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Solution

The fourth proportional to 222,300.55, 333,451.68 and 53,820.62 is: 80,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,300.55 : 333,451.68 = 53,820.62 : x
  2. Step 2: Convert to fraction form
    222,300.55/333,451.68 = 53,820.62/x
  3. Step 3: Cross multiply
    222,300.55x = 333,451.68 × 53,820.62
  4. Step 4: Simplify right side
    222,300.55x = 17,946,575,539.00
  5. Step 5: Solve for x
    x = 17,946,575,539.00/222,300.55
  6. Step 6: Final answer
    x = 80,731.13

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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.