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Finding the Fourth Proportional to 253,066.84, 379,599.96 and 103,377.48

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Solution

The fourth proportional to 253,066.84, 379,599.96 and 103,377.48 is: 155,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,066.84 : 379,599.96 = 103,377.48 : x
  2. Step 2: Convert to fraction form
    253,066.84/379,599.96 = 103,377.48/x
  3. Step 3: Cross multiply
    253,066.84x = 379,599.96 × 103,377.48
  4. Step 4: Simplify right side
    253,066.84x = 39,242,087,272.90
  5. Step 5: Solve for x
    x = 39,242,087,272.90/253,066.84
  6. Step 6: Final answer
    x = 155,066.10

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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.