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Finding the Fourth Proportional to 364,286.81, 503,107.88 and 277,318.01

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Solution

The fourth proportional to 364,286.81, 503,107.88 and 277,318.01 is: 382,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,286.81 : 503,107.88 = 277,318.01 : x
  2. Step 2: Convert to fraction form
    364,286.81/503,107.88 = 277,318.01/x
  3. Step 3: Cross multiply
    364,286.81x = 503,107.88 × 277,318.01
  4. Step 4: Simplify right side
    364,286.81x = 139,520,872,194.79
  5. Step 5: Solve for x
    x = 139,520,872,194.79/364,286.81
  6. Step 6: Final answer
    x = 382,997.33

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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.