Home / 353,103.06-487,271.88-200,155.35

Finding the Fourth Proportional to 353,103.06, 487,271.88 and 200,155.35

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Solution

The fourth proportional to 353,103.06, 487,271.88 and 200,155.35 is: 276,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,103.06 : 487,271.88 = 200,155.35 : x
  2. Step 2: Convert to fraction form
    353,103.06/487,271.88 = 200,155.35/x
  3. Step 3: Cross multiply
    353,103.06x = 487,271.88 × 200,155.35
  4. Step 4: Simplify right side
    353,103.06x = 97,530,073,686.56
  5. Step 5: Solve for x
    x = 97,530,073,686.56/353,103.06
  6. Step 6: Final answer
    x = 276,208.52

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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.