Home / 465,188.02-642,043.25-274,190.26

Finding the Fourth Proportional to 465,188.02, 642,043.25 and 274,190.26

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Solution

The fourth proportional to 465,188.02, 642,043.25 and 274,190.26 is: 378,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,188.02 : 642,043.25 = 274,190.26 : x
  2. Step 2: Convert to fraction form
    465,188.02/642,043.25 = 274,190.26/x
  3. Step 3: Cross multiply
    465,188.02x = 642,043.25 × 274,190.26
  4. Step 4: Simplify right side
    465,188.02x = 176,042,005,648.75
  5. Step 5: Solve for x
    x = 176,042,005,648.75/465,188.02
  6. Step 6: Final answer
    x = 378,431.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.