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Finding the Fourth Proportional to 297,817.80, 446,726.70 and 263,992.20

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Solution

The fourth proportional to 297,817.80, 446,726.70 and 263,992.20 is: 395,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,817.80 : 446,726.70 = 263,992.20 : x
  2. Step 2: Convert to fraction form
    297,817.80/446,726.70 = 263,992.20/x
  3. Step 3: Cross multiply
    297,817.80x = 446,726.70 × 263,992.20
  4. Step 4: Simplify right side
    297,817.80x = 117,932,364,331.74
  5. Step 5: Solve for x
    x = 117,932,364,331.74/297,817.80
  6. Step 6: Final answer
    x = 395,988.30

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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.