Home / 286,127.67-394,874.64-158,803.26

Finding the Fourth Proportional to 286,127.67, 394,874.64 and 158,803.26

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Solution

The fourth proportional to 286,127.67, 394,874.64 and 158,803.26 is: 219,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,127.67 : 394,874.64 = 158,803.26 : x
  2. Step 2: Convert to fraction form
    286,127.67/394,874.64 = 158,803.26/x
  3. Step 3: Cross multiply
    286,127.67x = 394,874.64 × 158,803.26
  4. Step 4: Simplify right side
    286,127.67x = 62,707,380,123.33
  5. Step 5: Solve for x
    x = 62,707,380,123.33/286,127.67
  6. Step 6: Final answer
    x = 219,158.74

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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.