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Finding the Fourth Proportional to 223,795.63, 335,726.25 and 66,003.58

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Solution

The fourth proportional to 223,795.63, 335,726.25 and 66,003.58 is: 99,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,795.63 : 335,726.25 = 66,003.58 : x
  2. Step 2: Convert to fraction form
    223,795.63/335,726.25 = 66,003.58/x
  3. Step 3: Cross multiply
    223,795.63x = 335,726.25 × 66,003.58
  4. Step 4: Simplify right side
    223,795.63x = 22,159,134,399.98
  5. Step 5: Solve for x
    x = 22,159,134,399.98/223,795.63
  6. Step 6: Final answer
    x = 99,015.05

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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.