Home / 303,770.88-455,157.07-103,982.28

Finding the Fourth Proportional to 303,770.88, 455,157.07 and 103,982.28

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Solution

The fourth proportional to 303,770.88, 455,157.07 and 103,982.28 is: 155,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,770.88 : 455,157.07 = 103,982.28 : x
  2. Step 2: Convert to fraction form
    303,770.88/455,157.07 = 103,982.28/x
  3. Step 3: Cross multiply
    303,770.88x = 455,157.07 × 103,982.28
  4. Step 4: Simplify right side
    303,770.88x = 47,328,270,490.18
  5. Step 5: Solve for x
    x = 47,328,270,490.18/303,770.88
  6. Step 6: Final answer
    x = 155,802.52

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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.