Home / 300,376.72-414,518.77-162,555.37

Finding the Fourth Proportional to 300,376.72, 414,518.77 and 162,555.37

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Solution

The fourth proportional to 300,376.72, 414,518.77 and 162,555.37 is: 224,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,376.72 : 414,518.77 = 162,555.37 : x
  2. Step 2: Convert to fraction form
    300,376.72/414,518.77 = 162,555.37/x
  3. Step 3: Cross multiply
    300,376.72x = 414,518.77 × 162,555.37
  4. Step 4: Simplify right side
    300,376.72x = 67,382,252,029.29
  5. Step 5: Solve for x
    x = 67,382,252,029.29/300,376.72
  6. Step 6: Final answer
    x = 224,325.81

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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.