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Finding the Fourth Proportional to 286,673.85, 430,062.44 and 118,102.05

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Solution

The fourth proportional to 286,673.85, 430,062.44 and 118,102.05 is: 177,174.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,673.85 : 430,062.44 = 118,102.05 : x
  2. Step 2: Convert to fraction form
    286,673.85/430,062.44 = 118,102.05/x
  3. Step 3: Cross multiply
    286,673.85x = 430,062.44 × 118,102.05
  4. Step 4: Simplify right side
    286,673.85x = 50,791,255,201.49
  5. Step 5: Solve for x
    x = 50,791,255,201.49/286,673.85
  6. Step 6: Final answer
    x = 177,174.36

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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.