Home / 263,963.58-396,208.98-145,690.62

Finding the Fourth Proportional to 263,963.58, 396,208.98 and 145,690.62

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Solution

The fourth proportional to 263,963.58, 396,208.98 and 145,690.62 is: 218,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,963.58 : 396,208.98 = 145,690.62 : x
  2. Step 2: Convert to fraction form
    263,963.58/396,208.98 = 145,690.62/x
  3. Step 3: Cross multiply
    263,963.58x = 396,208.98 × 145,690.62
  4. Step 4: Simplify right side
    263,963.58x = 57,723,931,945.77
  5. Step 5: Solve for x
    x = 57,723,931,945.77/263,963.58
  6. Step 6: Final answer
    x = 218,681.43

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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.