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Finding the Fourth Proportional to 299,262.60, 449,112.60 and 210,689.10

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Solution

The fourth proportional to 299,262.60, 449,112.60 and 210,689.10 is: 316,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,262.60 : 449,112.60 = 210,689.10 : x
  2. Step 2: Convert to fraction form
    299,262.60/449,112.60 = 210,689.10/x
  3. Step 3: Cross multiply
    299,262.60x = 449,112.60 × 210,689.10
  4. Step 4: Simplify right side
    299,262.60x = 94,623,129,492.66
  5. Step 5: Solve for x
    x = 94,623,129,492.66/299,262.60
  6. Step 6: Final answer
    x = 316,187.62

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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.