Home / 266,784.39-400,177.26-109,012.82

Finding the Fourth Proportional to 266,784.39, 400,177.26 and 109,012.82

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Solution

The fourth proportional to 266,784.39, 400,177.26 and 109,012.82 is: 163,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,784.39 : 400,177.26 = 109,012.82 : x
  2. Step 2: Convert to fraction form
    266,784.39/400,177.26 = 109,012.82/x
  3. Step 3: Cross multiply
    266,784.39x = 400,177.26 × 109,012.82
  4. Step 4: Simplify right side
    266,784.39x = 43,624,449,611.59
  5. Step 5: Solve for x
    x = 43,624,449,611.59/266,784.39
  6. Step 6: Final answer
    x = 163,519.50

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1.5x scale

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.