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Finding the Fourth Proportional to 223,849.32, 335,810.43 and 66,093.72

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Solution

The fourth proportional to 223,849.32, 335,810.43 and 66,093.72 is: 99,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,849.32 : 335,810.43 = 66,093.72 : x
  2. Step 2: Convert to fraction form
    223,849.32/335,810.43 = 66,093.72/x
  3. Step 3: Cross multiply
    223,849.32x = 335,810.43 × 66,093.72
  4. Step 4: Simplify right side
    223,849.32x = 22,194,960,533.50
  5. Step 5: Solve for x
    x = 22,194,960,533.50/223,849.32
  6. Step 6: Final answer
    x = 99,151.34

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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.