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Finding the Fourth Proportional to 303,304.40, 455,010.11 and 103,577.97

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Solution

The fourth proportional to 303,304.40, 455,010.11 and 103,577.97 is: 155,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,304.40 : 455,010.11 = 103,577.97 : x
  2. Step 2: Convert to fraction form
    303,304.40/455,010.11 = 103,577.97/x
  3. Step 3: Cross multiply
    303,304.40x = 455,010.11 × 103,577.97
  4. Step 4: Simplify right side
    303,304.40x = 47,129,025,100.09
  5. Step 5: Solve for x
    x = 47,129,025,100.09/303,304.40
  6. Step 6: Final answer
    x = 155,385.23

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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.