Home / 211,007.84-316,512.31-53,236.29

Finding the Fourth Proportional to 211,007.84, 316,512.31 and 53,236.29

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Solution

The fourth proportional to 211,007.84, 316,512.31 and 53,236.29 is: 79,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,007.84 : 316,512.31 = 53,236.29 : x
  2. Step 2: Convert to fraction form
    211,007.84/316,512.31 = 53,236.29/x
  3. Step 3: Cross multiply
    211,007.84x = 316,512.31 × 53,236.29
  4. Step 4: Simplify right side
    211,007.84x = 16,849,940,497.00
  5. Step 5: Solve for x
    x = 16,849,940,497.00/211,007.84
  6. Step 6: Final answer
    x = 79,854.57

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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.