Home / 353,742.24-488,139.63-200,783.52

Finding the Fourth Proportional to 353,742.24, 488,139.63 and 200,783.52

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Solution

The fourth proportional to 353,742.24, 488,139.63 and 200,783.52 is: 277,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,742.24 : 488,139.63 = 200,783.52 : x
  2. Step 2: Convert to fraction form
    353,742.24/488,139.63 = 200,783.52/x
  3. Step 3: Cross multiply
    353,742.24x = 488,139.63 × 200,783.52
  4. Step 4: Simplify right side
    353,742.24x = 98,010,393,162.90
  5. Step 5: Solve for x
    x = 98,010,393,162.90/353,742.24
  6. Step 6: Final answer
    x = 277,067.26

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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.