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Finding the Fourth Proportional to 223,866.45, 335,307.60 and 134,964.90

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Solution

The fourth proportional to 223,866.45, 335,307.60 and 134,964.90 is: 202,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,866.45 : 335,307.60 = 134,964.90 : x
  2. Step 2: Convert to fraction form
    223,866.45/335,307.60 = 134,964.90/x
  3. Step 3: Cross multiply
    223,866.45x = 335,307.60 × 134,964.90
  4. Step 4: Simplify right side
    223,866.45x = 45,254,756,703.24
  5. Step 5: Solve for x
    x = 45,254,756,703.24/223,866.45
  6. Step 6: Final answer
    x = 202,150.69

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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.