Home / 412,133.28-618,318-201,832.80

Finding the Fourth Proportional to 412,133.28, 618,318 and 201,832.80

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Solution

The fourth proportional to 412,133.28, 618,318 and 201,832.80 is: 302,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,133.28 : 618,318 = 201,832.80 : x
  2. Step 2: Convert to fraction form
    412,133.28/618,318 = 201,832.80/x
  3. Step 3: Cross multiply
    412,133.28x = 618,318 × 201,832.80
  4. Step 4: Simplify right side
    412,133.28x = 124,796,853,230.40
  5. Step 5: Solve for x
    x = 124,796,853,230.40/412,133.28
  6. Step 6: Final answer
    x = 302,807.03

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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.