Home / 286,749.75-430,176.60-118,176.33

Finding the Fourth Proportional to 286,749.75, 430,176.60 and 118,176.33

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Solution

The fourth proportional to 286,749.75, 430,176.60 and 118,176.33 is: 177,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,749.75 : 430,176.60 = 118,176.33 : x
  2. Step 2: Convert to fraction form
    286,749.75/430,176.60 = 118,176.33/x
  3. Step 3: Cross multiply
    286,749.75x = 430,176.60 × 118,176.33
  4. Step 4: Simplify right side
    286,749.75x = 50,836,691,839.88
  5. Step 5: Solve for x
    x = 50,836,691,839.88/286,749.75
  6. Step 6: Final answer
    x = 177,285.92

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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.