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Finding the Fourth Proportional to 440,008.41, 659,906.91 and 203,123.51

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Solution

The fourth proportional to 440,008.41, 659,906.91 and 203,123.51 is: 304,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,008.41 : 659,906.91 = 203,123.51 : x
  2. Step 2: Convert to fraction form
    440,008.41/659,906.91 = 203,123.51/x
  3. Step 3: Cross multiply
    440,008.41x = 659,906.91 × 203,123.51
  4. Step 4: Simplify right side
    440,008.41x = 134,042,604,532.92
  5. Step 5: Solve for x
    x = 134,042,604,532.92/440,008.41
  6. Step 6: Final answer
    x = 304,636.46

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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.