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Finding the Fourth Proportional to 343,503.63, 474,035.42 and 200,291.35

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Solution

The fourth proportional to 343,503.63, 474,035.42 and 200,291.35 is: 276,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,503.63 : 474,035.42 = 200,291.35 : x
  2. Step 2: Convert to fraction form
    343,503.63/474,035.42 = 200,291.35/x
  3. Step 3: Cross multiply
    343,503.63x = 474,035.42 × 200,291.35
  4. Step 4: Simplify right side
    343,503.63x = 94,945,192,033.07
  5. Step 5: Solve for x
    x = 94,945,192,033.07/343,503.63
  6. Step 6: Final answer
    x = 276,402.30

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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.