Home / 266,246.25-367,420.46-145,387.77

Finding the Fourth Proportional to 266,246.25, 367,420.46 and 145,387.77

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Solution

The fourth proportional to 266,246.25, 367,420.46 and 145,387.77 is: 200,635.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,246.25 : 367,420.46 = 145,387.77 : x
  2. Step 2: Convert to fraction form
    266,246.25/367,420.46 = 145,387.77/x
  3. Step 3: Cross multiply
    266,246.25x = 367,420.46 × 145,387.77
  4. Step 4: Simplify right side
    266,246.25x = 53,418,440,604.84
  5. Step 5: Solve for x
    x = 53,418,440,604.84/266,246.25
  6. Step 6: Final answer
    x = 200,635.47

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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.