Home / 286,004.22-394,683.75-158,680.32

Finding the Fourth Proportional to 286,004.22, 394,683.75 and 158,680.32

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Solution

The fourth proportional to 286,004.22, 394,683.75 and 158,680.32 is: 218,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,004.22 : 394,683.75 = 158,680.32 : x
  2. Step 2: Convert to fraction form
    286,004.22/394,683.75 = 158,680.32/x
  3. Step 3: Cross multiply
    286,004.22x = 394,683.75 × 158,680.32
  4. Step 4: Simplify right side
    286,004.22x = 62,628,543,748.80
  5. Step 5: Solve for x
    x = 62,628,543,748.80/286,004.22
  6. Step 6: Final answer
    x = 218,977.69

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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.