Home / 266,222.28-367,387.52-145,364.61

Finding the Fourth Proportional to 266,222.28, 367,387.52 and 145,364.61

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Solution

The fourth proportional to 266,222.28, 367,387.52 and 145,364.61 is: 200,603.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,222.28 : 367,387.52 = 145,364.61 : x
  2. Step 2: Convert to fraction form
    266,222.28/367,387.52 = 145,364.61/x
  3. Step 3: Cross multiply
    266,222.28x = 367,387.52 × 145,364.61
  4. Step 4: Simplify right side
    266,222.28x = 53,405,142,836.84
  5. Step 5: Solve for x
    x = 53,405,142,836.84/266,222.28
  6. Step 6: Final answer
    x = 200,603.58

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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.