Home / 311,962.40-467,943.60-112,289.30

Finding the Fourth Proportional to 311,962.40, 467,943.60 and 112,289.30

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Solution

The fourth proportional to 311,962.40, 467,943.60 and 112,289.30 is: 168,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,962.40 : 467,943.60 = 112,289.30 : x
  2. Step 2: Convert to fraction form
    311,962.40/467,943.60 = 112,289.30/x
  3. Step 3: Cross multiply
    311,962.40x = 467,943.60 × 112,289.30
  4. Step 4: Simplify right side
    311,962.40x = 52,545,059,283.48
  5. Step 5: Solve for x
    x = 52,545,059,283.48/311,962.40
  6. Step 6: Final answer
    x = 168,433.95

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1.5x scale

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.