Home / 312,164.22-468,246.60-75,507.15

Finding the Fourth Proportional to 312,164.22, 468,246.60 and 75,507.15

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Solution

The fourth proportional to 312,164.22, 468,246.60 and 75,507.15 is: 113,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,164.22 : 468,246.60 = 75,507.15 : x
  2. Step 2: Convert to fraction form
    312,164.22/468,246.60 = 75,507.15/x
  3. Step 3: Cross multiply
    312,164.22x = 468,246.60 × 75,507.15
  4. Step 4: Simplify right side
    312,164.22x = 35,355,966,263.19
  5. Step 5: Solve for x
    x = 35,355,966,263.19/312,164.22
  6. Step 6: Final answer
    x = 113,260.79

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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.