Home / 240,358.37-331,681.01-131,441.09

Finding the Fourth Proportional to 240,358.37, 331,681.01 and 131,441.09

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Solution

The fourth proportional to 240,358.37, 331,681.01 and 131,441.09 is: 181,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,358.37 : 331,681.01 = 131,441.09 : x
  2. Step 2: Convert to fraction form
    240,358.37/331,681.01 = 131,441.09/x
  3. Step 3: Cross multiply
    240,358.37x = 331,681.01 × 131,441.09
  4. Step 4: Simplify right side
    240,358.37x = 43,596,511,171.09
  5. Step 5: Solve for x
    x = 43,596,511,171.09/240,358.37
  6. Step 6: Final answer
    x = 181,381.29

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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.