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Finding the Fourth Proportional to 467,287.26, 644,855.58 and 252,426.66

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Solution

The fourth proportional to 467,287.26, 644,855.58 and 252,426.66 is: 348,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,287.26 : 644,855.58 = 252,426.66 : x
  2. Step 2: Convert to fraction form
    467,287.26/644,855.58 = 252,426.66/x
  3. Step 3: Cross multiply
    467,287.26x = 644,855.58 × 252,426.66
  4. Step 4: Simplify right side
    467,287.26x = 162,778,740,241.76
  5. Step 5: Solve for x
    x = 162,778,740,241.76/467,287.26
  6. Step 6: Final answer
    x = 348,348.34

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1.5x scale

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.