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Finding the Fourth Proportional to 303,017.63, 453,403.69 and 242,863.65

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Solution

The fourth proportional to 303,017.63, 453,403.69 and 242,863.65 is: 363,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,017.63 : 453,403.69 = 242,863.65 : x
  2. Step 2: Convert to fraction form
    303,017.63/453,403.69 = 242,863.65/x
  3. Step 3: Cross multiply
    303,017.63x = 453,403.69 × 242,863.65
  4. Step 4: Simplify right side
    303,017.63x = 110,115,274,469.71
  5. Step 5: Solve for x
    x = 110,115,274,469.71/303,017.63
  6. Step 6: Final answer
    x = 363,395.61

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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.