Home / 266,971.01-400,522.05-79,982.51

Finding the Fourth Proportional to 266,971.01, 400,522.05 and 79,982.51

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Solution

The fourth proportional to 266,971.01, 400,522.05 and 79,982.51 is: 119,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,971.01 : 400,522.05 = 79,982.51 : x
  2. Step 2: Convert to fraction form
    266,971.01/400,522.05 = 79,982.51/x
  3. Step 3: Cross multiply
    266,971.01x = 400,522.05 × 79,982.51
  4. Step 4: Simplify right side
    266,971.01x = 32,034,756,866.74
  5. Step 5: Solve for x
    x = 32,034,756,866.74/266,971.01
  6. Step 6: Final answer
    x = 119,993.39

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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.