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Finding the Fourth Proportional to 331,352.40, 496,445.40 and 284,696.40

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Solution

The fourth proportional to 331,352.40, 496,445.40 and 284,696.40 is: 426,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,352.40 : 496,445.40 = 284,696.40 : x
  2. Step 2: Convert to fraction form
    331,352.40/496,445.40 = 284,696.40/x
  3. Step 3: Cross multiply
    331,352.40x = 496,445.40 × 284,696.40
  4. Step 4: Simplify right side
    331,352.40x = 141,336,218,176.56
  5. Step 5: Solve for x
    x = 141,336,218,176.56/331,352.40
  6. Step 6: Final answer
    x = 426,543.52

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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.