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Finding the Fourth Proportional to 303,348, 455,093.04 and 103,670

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Solution

The fourth proportional to 303,348, 455,093.04 and 103,670 is: 155,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,348 : 455,093.04 = 103,670 : x
  2. Step 2: Convert to fraction form
    303,348/455,093.04 = 103,670/x
  3. Step 3: Cross multiply
    303,348x = 455,093.04 × 103,670
  4. Step 4: Simplify right side
    303,348x = 47,179,495,456.80
  5. Step 5: Solve for x
    x = 47,179,495,456.80/303,348
  6. Step 6: Final answer
    x = 155,529.28

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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.