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Finding the Fourth Proportional to 456,864, 630,451.87 and 252,900.50

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Solution

The fourth proportional to 456,864, 630,451.87 and 252,900.50 is: 348,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,864 : 630,451.87 = 252,900.50 : x
  2. Step 2: Convert to fraction form
    456,864/630,451.87 = 252,900.50/x
  3. Step 3: Cross multiply
    456,864x = 630,451.87 × 252,900.50
  4. Step 4: Simplify right side
    456,864x = 159,441,593,148.94
  5. Step 5: Solve for x
    x = 159,441,593,148.94/456,864
  6. Step 6: Final answer
    x = 348,991.37

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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.