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Finding the Fourth Proportional to 450,990.66, 675,898.47 and 251,302.98

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Solution

The fourth proportional to 450,990.66, 675,898.47 and 251,302.98 is: 376,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,990.66 : 675,898.47 = 251,302.98 : x
  2. Step 2: Convert to fraction form
    450,990.66/675,898.47 = 251,302.98/x
  3. Step 3: Cross multiply
    450,990.66x = 675,898.47 × 251,302.98
  4. Step 4: Simplify right side
    450,990.66x = 169,855,299,688.44
  5. Step 5: Solve for x
    x = 169,855,299,688.44/450,990.66
  6. Step 6: Final answer
    x = 376,627.09

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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.