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Finding the Fourth Proportional to 335,575, 502,992.78 and 135,770.68

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Solution

The fourth proportional to 335,575, 502,992.78 and 135,770.68 is: 203,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,575 : 502,992.78 = 135,770.68 : x
  2. Step 2: Convert to fraction form
    335,575/502,992.78 = 135,770.68/x
  3. Step 3: Cross multiply
    335,575x = 502,992.78 × 135,770.68
  4. Step 4: Simplify right side
    335,575x = 68,291,671,775.69
  5. Step 5: Solve for x
    x = 68,291,671,775.69/335,575
  6. Step 6: Final answer
    x = 203,506.43

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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.