Home / 253,892.49-380,277.17-103,677.26

Finding the Fourth Proportional to 253,892.49, 380,277.17 and 103,677.26

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Solution

The fourth proportional to 253,892.49, 380,277.17 and 103,677.26 is: 155,286.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,892.49 : 380,277.17 = 103,677.26 : x
  2. Step 2: Convert to fraction form
    253,892.49/380,277.17 = 103,677.26/x
  3. Step 3: Cross multiply
    253,892.49x = 380,277.17 × 103,677.26
  4. Step 4: Simplify right side
    253,892.49x = 39,426,095,026.15
  5. Step 5: Solve for x
    x = 39,426,095,026.15/253,892.49
  6. Step 6: Final answer
    x = 155,286.57

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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.