Home / 301,261.82-415,756.40-172,206.95

Finding the Fourth Proportional to 301,261.82, 415,756.40 and 172,206.95

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Solution

The fourth proportional to 301,261.82, 415,756.40 and 172,206.95 is: 237,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,261.82 : 415,756.40 = 172,206.95 : x
  2. Step 2: Convert to fraction form
    301,261.82/415,756.40 = 172,206.95/x
  3. Step 3: Cross multiply
    301,261.82x = 415,756.40 × 172,206.95
  4. Step 4: Simplify right side
    301,261.82x = 71,596,138,647.16
  5. Step 5: Solve for x
    x = 71,596,138,647.16/301,261.82
  6. Step 6: Final answer
    x = 237,654.21

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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.