Home / 240,284.16-331,583.79-131,391.06

Finding the Fourth Proportional to 240,284.16, 331,583.79 and 131,391.06

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Solution

The fourth proportional to 240,284.16, 331,583.79 and 131,391.06 is: 181,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,284.16 : 331,583.79 = 131,391.06 : x
  2. Step 2: Convert to fraction form
    240,284.16/331,583.79 = 131,391.06/x
  3. Step 3: Cross multiply
    240,284.16x = 331,583.79 × 131,391.06
  4. Step 4: Simplify right side
    240,284.16x = 43,567,145,646.92
  5. Step 5: Solve for x
    x = 43,567,145,646.92/240,284.16
  6. Step 6: Final answer
    x = 181,315.10

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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.