Home / 321,755.12-444,075.05-178,561.29

Finding the Fourth Proportional to 321,755.12, 444,075.05 and 178,561.29

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Solution

The fourth proportional to 321,755.12, 444,075.05 and 178,561.29 is: 246,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,755.12 : 444,075.05 = 178,561.29 : x
  2. Step 2: Convert to fraction form
    321,755.12/444,075.05 = 178,561.29/x
  3. Step 3: Cross multiply
    321,755.12x = 444,075.05 × 178,561.29
  4. Step 4: Simplify right side
    321,755.12x = 79,294,612,892.01
  5. Step 5: Solve for x
    x = 79,294,612,892.01/321,755.12
  6. Step 6: Final answer
    x = 246,443.99

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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.