Home / 353,078.04-487,129.10-200,104.22

Finding the Fourth Proportional to 353,078.04, 487,129.10 and 200,104.22

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Solution

The fourth proportional to 353,078.04, 487,129.10 and 200,104.22 is: 276,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,078.04 : 487,129.10 = 200,104.22 : x
  2. Step 2: Convert to fraction form
    353,078.04/487,129.10 = 200,104.22/x
  3. Step 3: Cross multiply
    353,078.04x = 487,129.10 × 200,104.22
  4. Step 4: Simplify right side
    353,078.04x = 97,476,588,594.80
  5. Step 5: Solve for x
    x = 97,476,588,594.80/353,078.04
  6. Step 6: Final answer
    x = 276,076.61

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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.