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Finding the Fourth Proportional to 333,552.48, 499,909.55 and 238,286.76

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Solution

The fourth proportional to 333,552.48, 499,909.55 and 238,286.76 is: 357,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,552.48 : 499,909.55 = 238,286.76 : x
  2. Step 2: Convert to fraction form
    333,552.48/499,909.55 = 238,286.76/x
  3. Step 3: Cross multiply
    333,552.48x = 499,909.55 × 238,286.76
  4. Step 4: Simplify right side
    333,552.48x = 119,121,825,771.12
  5. Step 5: Solve for x
    x = 119,121,825,771.12/333,552.48
  6. Step 6: Final answer
    x = 357,130.69

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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.