Home / 481,445.20-721,973.40-165,739.60

Finding the Fourth Proportional to 481,445.20, 721,973.40 and 165,739.60

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Solution

The fourth proportional to 481,445.20, 721,973.40 and 165,739.60 is: 248,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,445.20 : 721,973.40 = 165,739.60 : x
  2. Step 2: Convert to fraction form
    481,445.20/721,973.40 = 165,739.60/x
  3. Step 3: Cross multiply
    481,445.20x = 721,973.40 × 165,739.60
  4. Step 4: Simplify right side
    481,445.20x = 119,659,582,526.64
  5. Step 5: Solve for x
    x = 119,659,582,526.64/481,445.20
  6. Step 6: Final answer
    x = 248,542.48

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1.5x scale

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.