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Finding the Fourth Proportional to 299,739.08, 449,830.06 and 141,967.53

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Solution

The fourth proportional to 299,739.08, 449,830.06 and 141,967.53 is: 213,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,739.08 : 449,830.06 = 141,967.53 : x
  2. Step 2: Convert to fraction form
    299,739.08/449,830.06 = 141,967.53/x
  3. Step 3: Cross multiply
    299,739.08x = 449,830.06 × 141,967.53
  4. Step 4: Simplify right side
    299,739.08x = 63,861,262,537.95
  5. Step 5: Solve for x
    x = 63,861,262,537.95/299,739.08
  6. Step 6: Final answer
    x = 213,056.18

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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.