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Finding the Fourth Proportional to 630,285.71, 945,486.27 and 251,114.58

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Solution

The fourth proportional to 630,285.71, 945,486.27 and 251,114.58 is: 376,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,285.71 : 945,486.27 = 251,114.58 : x
  2. Step 2: Convert to fraction form
    630,285.71/945,486.27 = 251,114.58/x
  3. Step 3: Cross multiply
    630,285.71x = 945,486.27 × 251,114.58
  4. Step 4: Simplify right side
    630,285.71x = 237,425,387,586.82
  5. Step 5: Solve for x
    x = 237,425,387,586.82/630,285.71
  6. Step 6: Final answer
    x = 376,694.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.