Home / 353,076.54-487,127.04-200,102.73

Finding the Fourth Proportional to 353,076.54, 487,127.04 and 200,102.73

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Solution

The fourth proportional to 353,076.54, 487,127.04 and 200,102.73 is: 276,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,076.54 : 487,127.04 = 200,102.73 : x
  2. Step 2: Convert to fraction form
    353,076.54/487,127.04 = 200,102.73/x
  3. Step 3: Cross multiply
    353,076.54x = 487,127.04 × 200,102.73
  4. Step 4: Simplify right side
    353,076.54x = 97,475,447,124.67
  5. Step 5: Solve for x
    x = 97,475,447,124.67/353,076.54
  6. Step 6: Final answer
    x = 276,074.55

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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.