Home / 349,090.80-481,973.40-268,369.44

Finding the Fourth Proportional to 349,090.80, 481,973.40 and 268,369.44

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Solution

The fourth proportional to 349,090.80, 481,973.40 and 268,369.44 is: 370,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,090.80 : 481,973.40 = 268,369.44 : x
  2. Step 2: Convert to fraction form
    349,090.80/481,973.40 = 268,369.44/x
  3. Step 3: Cross multiply
    349,090.80x = 481,973.40 × 268,369.44
  4. Step 4: Simplify right side
    349,090.80x = 129,346,931,452.90
  5. Step 5: Solve for x
    x = 129,346,931,452.90/349,090.80
  6. Step 6: Final answer
    x = 370,525.18

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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.