Home / 266,218.56-367,382.34-145,360.86

Finding the Fourth Proportional to 266,218.56, 367,382.34 and 145,360.86

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Solution

The fourth proportional to 266,218.56, 367,382.34 and 145,360.86 is: 200,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,218.56 : 367,382.34 = 145,360.86 : x
  2. Step 2: Convert to fraction form
    266,218.56/367,382.34 = 145,360.86/x
  3. Step 3: Cross multiply
    266,218.56x = 367,382.34 × 145,360.86
  4. Step 4: Simplify right side
    266,218.56x = 53,403,012,891.21
  5. Step 5: Solve for x
    x = 53,403,012,891.21/266,218.56
  6. Step 6: Final answer
    x = 200,598.38

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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.