Home / 211,040.64-316,383.30-144,317.52

Finding the Fourth Proportional to 211,040.64, 316,383.30 and 144,317.52

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Solution

The fourth proportional to 211,040.64, 316,383.30 and 144,317.52 is: 216,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,040.64 : 316,383.30 = 144,317.52 : x
  2. Step 2: Convert to fraction form
    211,040.64/316,383.30 = 144,317.52/x
  3. Step 3: Cross multiply
    211,040.64x = 316,383.30 × 144,317.52
  4. Step 4: Simplify right side
    211,040.64x = 45,659,653,225.42
  5. Step 5: Solve for x
    x = 45,659,653,225.42/211,040.64
  6. Step 6: Final answer
    x = 216,354.79

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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.