Home / 401,932.55-554,646.54-238,596.04

Finding the Fourth Proportional to 401,932.55, 554,646.54 and 238,596.04

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Solution

The fourth proportional to 401,932.55, 554,646.54 and 238,596.04 is: 329,250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,932.55 : 554,646.54 = 238,596.04 : x
  2. Step 2: Convert to fraction form
    401,932.55/554,646.54 = 238,596.04/x
  3. Step 3: Cross multiply
    401,932.55x = 554,646.54 × 238,596.04
  4. Step 4: Simplify right side
    401,932.55x = 132,336,466,511.86
  5. Step 5: Solve for x
    x = 132,336,466,511.86/401,932.55
  6. Step 6: Final answer
    x = 329,250.44

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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.