Home / 419,276.35-628,720.93-134,913.97

Finding the Fourth Proportional to 419,276.35, 628,720.93 and 134,913.97

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Solution

The fourth proportional to 419,276.35, 628,720.93 and 134,913.97 is: 202,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,276.35 : 628,720.93 = 134,913.97 : x
  2. Step 2: Convert to fraction form
    419,276.35/628,720.93 = 134,913.97/x
  3. Step 3: Cross multiply
    419,276.35x = 628,720.93 × 134,913.97
  4. Step 4: Simplify right side
    419,276.35x = 84,823,236,688.39
  5. Step 5: Solve for x
    x = 84,823,236,688.39/419,276.35
  6. Step 6: Final answer
    x = 202,308.66

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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.