Home / 311,043.03-466,542.63-121,467.78

Finding the Fourth Proportional to 311,043.03, 466,542.63 and 121,467.78

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Solution

The fourth proportional to 311,043.03, 466,542.63 and 121,467.78 is: 182,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,043.03 : 466,542.63 = 121,467.78 : x
  2. Step 2: Convert to fraction form
    311,043.03/466,542.63 = 121,467.78/x
  3. Step 3: Cross multiply
    311,043.03x = 466,542.63 × 121,467.78
  4. Step 4: Simplify right side
    311,043.03x = 56,669,897,541.46
  5. Step 5: Solve for x
    x = 56,669,897,541.46/311,043.03
  6. Step 6: Final answer
    x = 182,193.11

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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.