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Finding the Fourth Proportional to 440,297.34, 660,540.10 and 136,684.79

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Solution

The fourth proportional to 440,297.34, 660,540.10 and 136,684.79 is: 205,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,297.34 : 660,540.10 = 136,684.79 : x
  2. Step 2: Convert to fraction form
    440,297.34/660,540.10 = 136,684.79/x
  3. Step 3: Cross multiply
    440,297.34x = 660,540.10 × 136,684.79
  4. Step 4: Simplify right side
    440,297.34x = 90,285,784,855.08
  5. Step 5: Solve for x
    x = 90,285,784,855.08/440,297.34
  6. Step 6: Final answer
    x = 205,056.39

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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.