Home / 353,558.52-487,921.73-200,603.18

Finding the Fourth Proportional to 353,558.52, 487,921.73 and 200,603.18

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Solution

The fourth proportional to 353,558.52, 487,921.73 and 200,603.18 is: 276,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,558.52 : 487,921.73 = 200,603.18 : x
  2. Step 2: Convert to fraction form
    353,558.52/487,921.73 = 200,603.18/x
  3. Step 3: Cross multiply
    353,558.52x = 487,921.73 × 200,603.18
  4. Step 4: Simplify right side
    353,558.52x = 97,878,650,845.89
  5. Step 5: Solve for x
    x = 97,878,650,845.89/353,558.52
  6. Step 6: Final answer
    x = 276,838.61

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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.