Home / 266,215.53-367,378.20-145,357.86

Finding the Fourth Proportional to 266,215.53, 367,378.20 and 145,357.86

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Solution

The fourth proportional to 266,215.53, 367,378.20 and 145,357.86 is: 200,594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,215.53 : 367,378.20 = 145,357.86 : x
  2. Step 2: Convert to fraction form
    266,215.53/367,378.20 = 145,357.86/x
  3. Step 3: Cross multiply
    266,215.53x = 367,378.20 × 145,357.86
  4. Step 4: Simplify right side
    266,215.53x = 53,401,308,962.65
  5. Step 5: Solve for x
    x = 53,401,308,962.65/266,215.53
  6. Step 6: Final answer
    x = 200,594.27

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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.