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Finding the Fourth Proportional to 331,264.40, 496,896.60 and 314,934.80

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Solution

The fourth proportional to 331,264.40, 496,896.60 and 314,934.80 is: 472,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,264.40 : 496,896.60 = 314,934.80 : x
  2. Step 2: Convert to fraction form
    331,264.40/496,896.60 = 314,934.80/x
  3. Step 3: Cross multiply
    331,264.40x = 496,896.60 × 314,934.80
  4. Step 4: Simplify right side
    331,264.40x = 156,490,031,341.68
  5. Step 5: Solve for x
    x = 156,490,031,341.68/331,264.40
  6. Step 6: Final answer
    x = 472,402.20

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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.