Home / 353,223.21-487,433.19-200,271.69

Finding the Fourth Proportional to 353,223.21, 487,433.19 and 200,271.69

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Solution

The fourth proportional to 353,223.21, 487,433.19 and 200,271.69 is: 276,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,223.21 : 487,433.19 = 200,271.69 : x
  2. Step 2: Convert to fraction form
    353,223.21/487,433.19 = 200,271.69/x
  3. Step 3: Cross multiply
    353,223.21x = 487,433.19 × 200,271.69
  4. Step 4: Simplify right side
    353,223.21x = 97,619,068,723.39
  5. Step 5: Solve for x
    x = 97,619,068,723.39/353,223.21
  6. Step 6: Final answer
    x = 276,366.52

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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.