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Finding the Fourth Proportional to 348,251.81, 522,348.55 and 246,629.57

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Solution

The fourth proportional to 348,251.81, 522,348.55 and 246,629.57 is: 369,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,251.81 : 522,348.55 = 246,629.57 : x
  2. Step 2: Convert to fraction form
    348,251.81/522,348.55 = 246,629.57/x
  3. Step 3: Cross multiply
    348,251.81x = 522,348.55 × 246,629.57
  4. Step 4: Simplify right side
    348,251.81x = 128,826,595,048.31
  5. Step 5: Solve for x
    x = 128,826,595,048.31/348,251.81
  6. Step 6: Final answer
    x = 369,923.70

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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.