Home / 481,539.72-721,915.32-181,850.16

Finding the Fourth Proportional to 481,539.72, 721,915.32 and 181,850.16

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Solution

The fourth proportional to 481,539.72, 721,915.32 and 181,850.16 is: 272,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,539.72 : 721,915.32 = 181,850.16 : x
  2. Step 2: Convert to fraction form
    481,539.72/721,915.32 = 181,850.16/x
  3. Step 3: Cross multiply
    481,539.72x = 721,915.32 × 181,850.16
  4. Step 4: Simplify right side
    481,539.72x = 131,280,416,448.45
  5. Step 5: Solve for x
    x = 131,280,416,448.45/481,539.72
  6. Step 6: Final answer
    x = 272,626.35

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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.