Home / 211,416.24-316,502.28-141,121.20

Finding the Fourth Proportional to 211,416.24, 316,502.28 and 141,121.20

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Solution

The fourth proportional to 211,416.24, 316,502.28 and 141,121.20 is: 211,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,416.24 : 316,502.28 = 141,121.20 : x
  2. Step 2: Convert to fraction form
    211,416.24/316,502.28 = 141,121.20/x
  3. Step 3: Cross multiply
    211,416.24x = 316,502.28 × 141,121.20
  4. Step 4: Simplify right side
    211,416.24x = 44,665,181,556.34
  5. Step 5: Solve for x
    x = 44,665,181,556.34/211,416.24
  6. Step 6: Final answer
    x = 211,266.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.