Home / 386,977.44-580,632.48-200,120.16

Finding the Fourth Proportional to 386,977.44, 580,632.48 and 200,120.16

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Solution

The fourth proportional to 386,977.44, 580,632.48 and 200,120.16 is: 300,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,977.44 : 580,632.48 = 200,120.16 : x
  2. Step 2: Convert to fraction form
    386,977.44/580,632.48 = 200,120.16/x
  3. Step 3: Cross multiply
    386,977.44x = 580,632.48 × 200,120.16
  4. Step 4: Simplify right side
    386,977.44x = 116,196,264,798.80
  5. Step 5: Solve for x
    x = 116,196,264,798.80/386,977.44
  6. Step 6: Final answer
    x = 300,266.25

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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.