Home / 481,294.40-721,742.72-181,724.16

Finding the Fourth Proportional to 481,294.40, 721,742.72 and 181,724.16

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Solution

The fourth proportional to 481,294.40, 721,742.72 and 181,724.16 is: 272,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,294.40 : 721,742.72 = 181,724.16 : x
  2. Step 2: Convert to fraction form
    481,294.40/721,742.72 = 181,724.16/x
  3. Step 3: Cross multiply
    481,294.40x = 721,742.72 × 181,724.16
  4. Step 4: Simplify right side
    481,294.40x = 131,158,089,528.12
  5. Step 5: Solve for x
    x = 131,158,089,528.12/481,294.40
  6. Step 6: Final answer
    x = 272,511.15

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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.