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Finding the Fourth Proportional to 348,306.28, 522,429.28 and 246,684.20

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Solution

The fourth proportional to 348,306.28, 522,429.28 and 246,684.20 is: 370,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,306.28 : 522,429.28 = 246,684.20 : x
  2. Step 2: Convert to fraction form
    348,306.28/522,429.28 = 246,684.20/x
  3. Step 3: Cross multiply
    348,306.28x = 522,429.28 × 246,684.20
  4. Step 4: Simplify right side
    348,306.28x = 128,875,048,993.38
  5. Step 5: Solve for x
    x = 128,875,048,993.38/348,306.28
  6. Step 6: Final answer
    x = 370,004.95

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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.