Home / 266,917.28-400,259.27-79,885.04

Finding the Fourth Proportional to 266,917.28, 400,259.27 and 79,885.04

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Solution

The fourth proportional to 266,917.28, 400,259.27 and 79,885.04 is: 119,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,917.28 : 400,259.27 = 79,885.04 : x
  2. Step 2: Convert to fraction form
    266,917.28/400,259.27 = 79,885.04/x
  3. Step 3: Cross multiply
    266,917.28x = 400,259.27 × 79,885.04
  4. Step 4: Simplify right side
    266,917.28x = 31,974,725,992.74
  5. Step 5: Solve for x
    x = 31,974,725,992.74/266,917.28
  6. Step 6: Final answer
    x = 119,792.64

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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.