Home / 211,040.35-316,576.92-61,283.11

Finding the Fourth Proportional to 211,040.35, 316,576.92 and 61,283.11

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Solution

The fourth proportional to 211,040.35, 316,576.92 and 61,283.11 is: 91,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,040.35 : 316,576.92 = 61,283.11 : x
  2. Step 2: Convert to fraction form
    211,040.35/316,576.92 = 61,283.11/x
  3. Step 3: Cross multiply
    211,040.35x = 316,576.92 × 61,283.11
  4. Step 4: Simplify right side
    211,040.35x = 19,400,818,211.82
  5. Step 5: Solve for x
    x = 19,400,818,211.82/211,040.35
  6. Step 6: Final answer
    x = 91,929.43

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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.