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Finding the Fourth Proportional to 361,200.01, 498,473.90 and 217,957.63

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Solution

The fourth proportional to 361,200.01, 498,473.90 and 217,957.63 is: 300,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,200.01 : 498,473.90 = 217,957.63 : x
  2. Step 2: Convert to fraction form
    361,200.01/498,473.90 = 217,957.63/x
  3. Step 3: Cross multiply
    361,200.01x = 498,473.90 × 217,957.63
  4. Step 4: Simplify right side
    361,200.01x = 108,646,188,771.07
  5. Step 5: Solve for x
    x = 108,646,188,771.07/361,200.01
  6. Step 6: Final answer
    x = 300,792.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.