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Finding the Fourth Proportional to 242,993.67, 364,653.20 and 100,839.09

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Solution

The fourth proportional to 242,993.67, 364,653.20 and 100,839.09 is: 151,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,993.67 : 364,653.20 = 100,839.09 : x
  2. Step 2: Convert to fraction form
    242,993.67/364,653.20 = 100,839.09/x
  3. Step 3: Cross multiply
    242,993.67x = 364,653.20 × 100,839.09
  4. Step 4: Simplify right side
    242,993.67x = 36,771,296,349.39
  5. Step 5: Solve for x
    x = 36,771,296,349.39/242,993.67
  6. Step 6: Final answer
    x = 151,326.15

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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.