Home / 301,130.30-415,540.04-172,075.44

Finding the Fourth Proportional to 301,130.30, 415,540.04 and 172,075.44

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Solution

The fourth proportional to 301,130.30, 415,540.04 and 172,075.44 is: 237,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,130.30 : 415,540.04 = 172,075.44 : x
  2. Step 2: Convert to fraction form
    301,130.30/415,540.04 = 172,075.44/x
  3. Step 3: Cross multiply
    301,130.30x = 415,540.04 × 172,075.44
  4. Step 4: Simplify right side
    301,130.30x = 71,504,235,220.62
  5. Step 5: Solve for x
    x = 71,504,235,220.62/301,130.30
  6. Step 6: Final answer
    x = 237,452.81

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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.