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Finding the Fourth Proportional to 223,952.76, 335,941.38 and 90,813.24

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Solution

The fourth proportional to 223,952.76, 335,941.38 and 90,813.24 is: 136,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,952.76 : 335,941.38 = 90,813.24 : x
  2. Step 2: Convert to fraction form
    223,952.76/335,941.38 = 90,813.24/x
  3. Step 3: Cross multiply
    223,952.76x = 335,941.38 × 90,813.24
  4. Step 4: Simplify right side
    223,952.76x = 30,507,925,167.87
  5. Step 5: Solve for x
    x = 30,507,925,167.87/223,952.76
  6. Step 6: Final answer
    x = 136,224.82

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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.