Home / 242,665.20-363,997.80-237,999.60

Finding the Fourth Proportional to 242,665.20, 363,997.80 and 237,999.60

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Solution

The fourth proportional to 242,665.20, 363,997.80 and 237,999.60 is: 356,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,665.20 : 363,997.80 = 237,999.60 : x
  2. Step 2: Convert to fraction form
    242,665.20/363,997.80 = 237,999.60/x
  3. Step 3: Cross multiply
    242,665.20x = 363,997.80 × 237,999.60
  4. Step 4: Simplify right side
    242,665.20x = 86,631,330,800.88
  5. Step 5: Solve for x
    x = 86,631,330,800.88/242,665.20
  6. Step 6: Final answer
    x = 356,999.40

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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.