Home / 445,720.60-668,582.34-113,296.60

Finding the Fourth Proportional to 445,720.60, 668,582.34 and 113,296.60

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Solution

The fourth proportional to 445,720.60, 668,582.34 and 113,296.60 is: 169,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,720.60 : 668,582.34 = 113,296.60 : x
  2. Step 2: Convert to fraction form
    445,720.60/668,582.34 = 113,296.60/x
  3. Step 3: Cross multiply
    445,720.60x = 668,582.34 × 113,296.60
  4. Step 4: Simplify right side
    445,720.60x = 75,748,105,942.04
  5. Step 5: Solve for x
    x = 75,748,105,942.04/445,720.60
  6. Step 6: Final answer
    x = 169,945.27

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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.