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Finding the Fourth Proportional to 456,798.35, 630,372.68 and 252,837.36

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Solution

The fourth proportional to 456,798.35, 630,372.68 and 252,837.36 is: 348,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,798.35 : 630,372.68 = 252,837.36 : x
  2. Step 2: Convert to fraction form
    456,798.35/630,372.68 = 252,837.36/x
  3. Step 3: Cross multiply
    456,798.35x = 630,372.68 × 252,837.36
  4. Step 4: Simplify right side
    456,798.35x = 159,381,764,797.74
  5. Step 5: Solve for x
    x = 159,381,764,797.74/456,798.35
  6. Step 6: Final answer
    x = 348,910.55

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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.