Home / 394,905.90-591,822.09-167,012.07

Finding the Fourth Proportional to 394,905.90, 591,822.09 and 167,012.07

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Solution

The fourth proportional to 394,905.90, 591,822.09 and 167,012.07 is: 250,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,905.90 : 591,822.09 = 167,012.07 : x
  2. Step 2: Convert to fraction form
    394,905.90/591,822.09 = 167,012.07/x
  3. Step 3: Cross multiply
    394,905.90x = 591,822.09 × 167,012.07
  4. Step 4: Simplify right side
    394,905.90x = 98,841,432,322.63
  5. Step 5: Solve for x
    x = 98,841,432,322.63/394,905.90
  6. Step 6: Final answer
    x = 250,291.10

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1.5x scale

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.