Home / 275,868.24-380,686.02-161,157.51

Finding the Fourth Proportional to 275,868.24, 380,686.02 and 161,157.51

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Solution

The fourth proportional to 275,868.24, 380,686.02 and 161,157.51 is: 222,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,868.24 : 380,686.02 = 161,157.51 : x
  2. Step 2: Convert to fraction form
    275,868.24/380,686.02 = 161,157.51/x
  3. Step 3: Cross multiply
    275,868.24x = 380,686.02 × 161,157.51
  4. Step 4: Simplify right side
    275,868.24x = 61,350,411,075.01
  5. Step 5: Solve for x
    x = 61,350,411,075.01/275,868.24
  6. Step 6: Final answer
    x = 222,390.27

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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.