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Finding the Fourth Proportional to 248,027.40, 372,186.90 and 90,271.80

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Solution

The fourth proportional to 248,027.40, 372,186.90 and 90,271.80 is: 135,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,027.40 : 372,186.90 = 90,271.80 : x
  2. Step 2: Convert to fraction form
    248,027.40/372,186.90 = 90,271.80/x
  3. Step 3: Cross multiply
    248,027.40x = 372,186.90 × 90,271.80
  4. Step 4: Simplify right side
    248,027.40x = 33,597,981,399.42
  5. Step 5: Solve for x
    x = 33,597,981,399.42/248,027.40
  6. Step 6: Final answer
    x = 135,460.77

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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.