Home / 266,218.86-367,380.19-145,360.08

Finding the Fourth Proportional to 266,218.86, 367,380.19 and 145,360.08

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Solution

The fourth proportional to 266,218.86, 367,380.19 and 145,360.08 is: 200,595.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,218.86 : 367,380.19 = 145,360.08 : x
  2. Step 2: Convert to fraction form
    266,218.86/367,380.19 = 145,360.08/x
  3. Step 3: Cross multiply
    266,218.86x = 367,380.19 × 145,360.08
  4. Step 4: Simplify right side
    266,218.86x = 53,402,413,990.52
  5. Step 5: Solve for x
    x = 53,402,413,990.52/266,218.86
  6. Step 6: Final answer
    x = 200,595.91

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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.