Home / 266,255.02-367,425.21-145,399.78

Finding the Fourth Proportional to 266,255.02, 367,425.21 and 145,399.78

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Solution

The fourth proportional to 266,255.02, 367,425.21 and 145,399.78 is: 200,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,255.02 : 367,425.21 = 145,399.78 : x
  2. Step 2: Convert to fraction form
    266,255.02/367,425.21 = 145,399.78/x
  3. Step 3: Cross multiply
    266,255.02x = 367,425.21 × 145,399.78
  4. Step 4: Simplify right side
    266,255.02x = 53,423,544,700.45
  5. Step 5: Solve for x
    x = 53,423,544,700.45/266,255.02
  6. Step 6: Final answer
    x = 200,648.03

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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.