Home / 303,064.20-455,471.10-297,815.40

Finding the Fourth Proportional to 303,064.20, 455,471.10 and 297,815.40

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Solution

The fourth proportional to 303,064.20, 455,471.10 and 297,815.40 is: 447,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,064.20 : 455,471.10 = 297,815.40 : x
  2. Step 2: Convert to fraction form
    303,064.20/455,471.10 = 297,815.40/x
  3. Step 3: Cross multiply
    303,064.20x = 455,471.10 × 297,815.40
  4. Step 4: Simplify right side
    303,064.20x = 135,646,307,834.94
  5. Step 5: Solve for x
    x = 135,646,307,834.94/303,064.20
  6. Step 6: Final answer
    x = 447,582.75

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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.