Home / 347,918.08-480,127.02-211,952.02

Finding the Fourth Proportional to 347,918.08, 480,127.02 and 211,952.02

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Solution

The fourth proportional to 347,918.08, 480,127.02 and 211,952.02 is: 292,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,918.08 : 480,127.02 = 211,952.02 : x
  2. Step 2: Convert to fraction form
    347,918.08/480,127.02 = 211,952.02/x
  3. Step 3: Cross multiply
    347,918.08x = 480,127.02 × 211,952.02
  4. Step 4: Simplify right side
    347,918.08x = 101,763,891,745.58
  5. Step 5: Solve for x
    x = 101,763,891,745.58/347,918.08
  6. Step 6: Final answer
    x = 292,493.83

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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.