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Finding the Fourth Proportional to 451,536.64, 623,148.64 and 250,332.64

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Solution

The fourth proportional to 451,536.64, 623,148.64 and 250,332.64 is: 345,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,536.64 : 623,148.64 = 250,332.64 : x
  2. Step 2: Convert to fraction form
    451,536.64/623,148.64 = 250,332.64/x
  3. Step 3: Cross multiply
    451,536.64x = 623,148.64 × 250,332.64
  4. Step 4: Simplify right side
    451,536.64x = 155,994,444,163.61
  5. Step 5: Solve for x
    x = 155,994,444,163.61/451,536.64
  6. Step 6: Final answer
    x = 345,474.61

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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.