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Finding the Fourth Proportional to 300,731.58, 415,003.23 and 164,758.91

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Solution

The fourth proportional to 300,731.58, 415,003.23 and 164,758.91 is: 227,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,731.58 : 415,003.23 = 164,758.91 : x
  2. Step 2: Convert to fraction form
    300,731.58/415,003.23 = 164,758.91/x
  3. Step 3: Cross multiply
    300,731.58x = 415,003.23 × 164,758.91
  4. Step 4: Simplify right side
    300,731.58x = 68,375,477,746.26
  5. Step 5: Solve for x
    x = 68,375,477,746.26/300,731.58
  6. Step 6: Final answer
    x = 227,363.81

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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.