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Finding the Fourth Proportional to 331,313.40, 496,970.10 and 242,083.80

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Solution

The fourth proportional to 331,313.40, 496,970.10 and 242,083.80 is: 363,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,313.40 : 496,970.10 = 242,083.80 : x
  2. Step 2: Convert to fraction form
    331,313.40/496,970.10 = 242,083.80/x
  3. Step 3: Cross multiply
    331,313.40x = 496,970.10 × 242,083.80
  4. Step 4: Simplify right side
    331,313.40x = 120,308,410,294.38
  5. Step 5: Solve for x
    x = 120,308,410,294.38/331,313.40
  6. Step 6: Final answer
    x = 363,125.70

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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.