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Finding the Fourth Proportional to 499,467.20, 749,265.60 and 246,876.80

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Solution

The fourth proportional to 499,467.20, 749,265.60 and 246,876.80 is: 370,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,467.20 : 749,265.60 = 246,876.80 : x
  2. Step 2: Convert to fraction form
    499,467.20/749,265.60 = 246,876.80/x
  3. Step 3: Cross multiply
    499,467.20x = 749,265.60 × 246,876.80
  4. Step 4: Simplify right side
    499,467.20x = 184,976,293,678.08
  5. Step 5: Solve for x
    x = 184,976,293,678.08/499,467.20
  6. Step 6: Final answer
    x = 370,347.23

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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.