Home / 266,422.37-367,658.52-145,561.05

Finding the Fourth Proportional to 266,422.37, 367,658.52 and 145,561.05

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Solution

The fourth proportional to 266,422.37, 367,658.52 and 145,561.05 is: 200,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,422.37 : 367,658.52 = 145,561.05 : x
  2. Step 2: Convert to fraction form
    266,422.37/367,658.52 = 145,561.05/x
  3. Step 3: Cross multiply
    266,422.37x = 367,658.52 × 145,561.05
  4. Step 4: Simplify right side
    266,422.37x = 53,516,760,076.18
  5. Step 5: Solve for x
    x = 53,516,760,076.18/266,422.37
  6. Step 6: Final answer
    x = 200,871.88

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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.