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Finding the Fourth Proportional to 353,126, 487,313.88 and 194,150

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Solution

The fourth proportional to 353,126, 487,313.88 and 194,150 is: 267,927

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,126 : 487,313.88 = 194,150 : x
  2. Step 2: Convert to fraction form
    353,126/487,313.88 = 194,150/x
  3. Step 3: Cross multiply
    353,126x = 487,313.88 × 194,150
  4. Step 4: Simplify right side
    353,126x = 94,611,989,802
  5. Step 5: Solve for x
    x = 94,611,989,802/353,126
  6. Step 6: Final answer
    x = 267,927

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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.