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Finding the Fourth Proportional to 303,068.57, 451,024.50 and 292,977.38

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Solution

The fourth proportional to 303,068.57, 451,024.50 and 292,977.38 is: 436,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,068.57 : 451,024.50 = 292,977.38 : x
  2. Step 2: Convert to fraction form
    303,068.57/451,024.50 = 292,977.38/x
  3. Step 3: Cross multiply
    303,068.57x = 451,024.50 × 292,977.38
  4. Step 4: Simplify right side
    303,068.57x = 132,139,974,860.92
  5. Step 5: Solve for x
    x = 132,139,974,860.92/303,068.57
  6. Step 6: Final answer
    x = 436,006.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.