Home / 211,265.31-316,684.73-132,434.90

Finding the Fourth Proportional to 211,265.31, 316,684.73 and 132,434.90

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Solution

The fourth proportional to 211,265.31, 316,684.73 and 132,434.90 is: 198,518.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265.31 : 316,684.73 = 132,434.90 : x
  2. Step 2: Convert to fraction form
    211,265.31/316,684.73 = 132,434.90/x
  3. Step 3: Cross multiply
    211,265.31x = 316,684.73 × 132,434.90
  4. Step 4: Simplify right side
    211,265.31x = 41,940,108,303.48
  5. Step 5: Solve for x
    x = 41,940,108,303.48/211,265.31
  6. Step 6: Final answer
    x = 198,518.67

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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.