Home / 293,842.89-440,729.69-80,632.36

Finding the Fourth Proportional to 293,842.89, 440,729.69 and 80,632.36

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Solution

The fourth proportional to 293,842.89, 440,729.69 and 80,632.36 is: 120,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,842.89 : 440,729.69 = 80,632.36 : x
  2. Step 2: Convert to fraction form
    293,842.89/440,729.69 = 80,632.36/x
  3. Step 3: Cross multiply
    293,842.89x = 440,729.69 × 80,632.36
  4. Step 4: Simplify right side
    293,842.89x = 35,537,075,174.52
  5. Step 5: Solve for x
    x = 35,537,075,174.52/293,842.89
  6. Step 6: Final answer
    x = 120,939.03

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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.