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Finding the Fourth Proportional to 317,285.01, 475,735.77 and 148,842.27

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Solution

The fourth proportional to 317,285.01, 475,735.77 and 148,842.27 is: 223,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,285.01 : 475,735.77 = 148,842.27 : x
  2. Step 2: Convert to fraction form
    317,285.01/475,735.77 = 148,842.27/x
  3. Step 3: Cross multiply
    317,285.01x = 475,735.77 × 148,842.27
  4. Step 4: Simplify right side
    317,285.01x = 70,809,591,927.00
  5. Step 5: Solve for x
    x = 70,809,591,927.00/317,285.01
  6. Step 6: Final answer
    x = 223,173.46

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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.