Home / 266,215.11-367,378.64-145,357.23

Finding the Fourth Proportional to 266,215.11, 367,378.64 and 145,357.23

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Solution

The fourth proportional to 266,215.11, 367,378.64 and 145,357.23 is: 200,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,215.11 : 367,378.64 = 145,357.23 : x
  2. Step 2: Convert to fraction form
    266,215.11/367,378.64 = 145,357.23/x
  3. Step 3: Cross multiply
    266,215.11x = 367,378.64 × 145,357.23
  4. Step 4: Simplify right side
    266,215.11x = 53,401,142,667.54
  5. Step 5: Solve for x
    x = 53,401,142,667.54/266,215.11
  6. Step 6: Final answer
    x = 200,593.96

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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.