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Finding the Fourth Proportional to 363,745.24, 501,993.67 and 220,511.32

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Solution

The fourth proportional to 363,745.24, 501,993.67 and 220,511.32 is: 304,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,745.24 : 501,993.67 = 220,511.32 : x
  2. Step 2: Convert to fraction form
    363,745.24/501,993.67 = 220,511.32/x
  3. Step 3: Cross multiply
    363,745.24x = 501,993.67 × 220,511.32
  4. Step 4: Simplify right side
    363,745.24x = 110,695,286,803.34
  5. Step 5: Solve for x
    x = 110,695,286,803.34/363,745.24
  6. Step 6: Final answer
    x = 304,320.92

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1.5x scale

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.