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Finding the Fourth Proportional to 303,522.88, 453,033.38 and 262,814.72

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Solution

The fourth proportional to 303,522.88, 453,033.38 and 262,814.72 is: 392,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,522.88 : 453,033.38 = 262,814.72 : x
  2. Step 2: Convert to fraction form
    303,522.88/453,033.38 = 262,814.72/x
  3. Step 3: Cross multiply
    303,522.88x = 453,033.38 × 262,814.72
  4. Step 4: Simplify right side
    303,522.88x = 119,063,840,915.35
  5. Step 5: Solve for x
    x = 119,063,840,915.35/303,522.88
  6. Step 6: Final answer
    x = 392,273.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.