Home / 253,890.49-380,274.17-103,675.26

Finding the Fourth Proportional to 253,890.49, 380,274.17 and 103,675.26

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Solution

The fourth proportional to 253,890.49, 380,274.17 and 103,675.26 is: 155,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,890.49 : 380,274.17 = 103,675.26 : x
  2. Step 2: Convert to fraction form
    253,890.49/380,274.17 = 103,675.26/x
  3. Step 3: Cross multiply
    253,890.49x = 380,274.17 × 103,675.26
  4. Step 4: Simplify right side
    253,890.49x = 39,425,023,446.03
  5. Step 5: Solve for x
    x = 39,425,023,446.03/253,890.49
  6. Step 6: Final answer
    x = 155,283.58

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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.