Home / 263,685.23-363,883.84-149,001

Finding the Fourth Proportional to 263,685.23, 363,883.84 and 149,001

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Solution

The fourth proportional to 263,685.23, 363,883.84 and 149,001 is: 205,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,685.23 : 363,883.84 = 149,001 : x
  2. Step 2: Convert to fraction form
    263,685.23/363,883.84 = 149,001/x
  3. Step 3: Cross multiply
    263,685.23x = 363,883.84 × 149,001
  4. Step 4: Simplify right side
    263,685.23x = 54,219,056,043.84
  5. Step 5: Solve for x
    x = 54,219,056,043.84/263,685.23
  6. Step 6: Final answer
    x = 205,620.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.