Home / 423,921.46-635,658.27-187,152.34

Finding the Fourth Proportional to 423,921.46, 635,658.27 and 187,152.34

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Solution

The fourth proportional to 423,921.46, 635,658.27 and 187,152.34 is: 280,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,921.46 : 635,658.27 = 187,152.34 : x
  2. Step 2: Convert to fraction form
    423,921.46/635,658.27 = 187,152.34/x
  3. Step 3: Cross multiply
    423,921.46x = 635,658.27 × 187,152.34
  4. Step 4: Simplify right side
    423,921.46x = 118,964,932,670.85
  5. Step 5: Solve for x
    x = 118,964,932,670.85/423,921.46
  6. Step 6: Final answer
    x = 280,629.65

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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.