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Finding the Fourth Proportional to 337,383.20, 506,074.80 and 311,722.40

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Solution

The fourth proportional to 337,383.20, 506,074.80 and 311,722.40 is: 467,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,383.20 : 506,074.80 = 311,722.40 : x
  2. Step 2: Convert to fraction form
    337,383.20/506,074.80 = 311,722.40/x
  3. Step 3: Cross multiply
    337,383.20x = 506,074.80 × 311,722.40
  4. Step 4: Simplify right side
    337,383.20x = 157,754,851,235.52
  5. Step 5: Solve for x
    x = 157,754,851,235.52/337,383.20
  6. Step 6: Final answer
    x = 467,583.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.