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Finding the Fourth Proportional to 361,209.42, 498,463.51 and 197,864.62

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Solution

The fourth proportional to 361,209.42, 498,463.51 and 197,864.62 is: 273,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,209.42 : 498,463.51 = 197,864.62 : x
  2. Step 2: Convert to fraction form
    361,209.42/498,463.51 = 197,864.62/x
  3. Step 3: Cross multiply
    361,209.42x = 498,463.51 × 197,864.62
  4. Step 4: Simplify right side
    361,209.42x = 98,628,292,990.02
  5. Step 5: Solve for x
    x = 98,628,292,990.02/361,209.42
  6. Step 6: Final answer
    x = 273,050.17

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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.