Home / 211,442.34-316,502.54-136,462.26

Finding the Fourth Proportional to 211,442.34, 316,502.54 and 136,462.26

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Solution

The fourth proportional to 211,442.34, 316,502.54 and 136,462.26 is: 204,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,442.34 : 316,502.54 = 136,462.26 : x
  2. Step 2: Convert to fraction form
    211,442.34/316,502.54 = 136,462.26/x
  3. Step 3: Cross multiply
    211,442.34x = 316,502.54 × 136,462.26
  4. Step 4: Simplify right side
    211,442.34x = 43,190,651,904.14
  5. Step 5: Solve for x
    x = 43,190,651,904.14/211,442.34
  6. Step 6: Final answer
    x = 204,266.81

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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.