Home / 300,723.15-414,998.27-162,902.40

Finding the Fourth Proportional to 300,723.15, 414,998.27 and 162,902.40

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Solution

The fourth proportional to 300,723.15, 414,998.27 and 162,902.40 is: 224,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,723.15 : 414,998.27 = 162,902.40 : x
  2. Step 2: Convert to fraction form
    300,723.15/414,998.27 = 162,902.40/x
  3. Step 3: Cross multiply
    300,723.15x = 414,998.27 × 162,902.40
  4. Step 4: Simplify right side
    300,723.15x = 67,604,214,178.85
  5. Step 5: Solve for x
    x = 67,604,214,178.85/300,723.15
  6. Step 6: Final answer
    x = 224,805.49

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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.