Home / 242,629.80-363,944.70-220,468.20

Finding the Fourth Proportional to 242,629.80, 363,944.70 and 220,468.20

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Solution

The fourth proportional to 242,629.80, 363,944.70 and 220,468.20 is: 330,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,629.80 : 363,944.70 = 220,468.20 : x
  2. Step 2: Convert to fraction form
    242,629.80/363,944.70 = 220,468.20/x
  3. Step 3: Cross multiply
    242,629.80x = 363,944.70 × 220,468.20
  4. Step 4: Simplify right side
    242,629.80x = 80,238,232,908.54
  5. Step 5: Solve for x
    x = 80,238,232,908.54/242,629.80
  6. Step 6: Final answer
    x = 330,702.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.