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Finding the Fourth Proportional to 479,899.35, 662,265.63 and 273,157.64

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Solution

The fourth proportional to 479,899.35, 662,265.63 and 273,157.64 is: 376,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,899.35 : 662,265.63 = 273,157.64 : x
  2. Step 2: Convert to fraction form
    479,899.35/662,265.63 = 273,157.64/x
  3. Step 3: Cross multiply
    479,899.35x = 662,265.63 × 273,157.64
  4. Step 4: Simplify right side
    479,899.35x = 180,902,916,543.91
  5. Step 5: Solve for x
    x = 180,902,916,543.91/479,899.35
  6. Step 6: Final answer
    x = 376,960.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.