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Finding the Fourth Proportional to 344,966.70, 517,450.05 and 92,246.70

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Solution

The fourth proportional to 344,966.70, 517,450.05 and 92,246.70 is: 138,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,966.70 : 517,450.05 = 92,246.70 : x
  2. Step 2: Convert to fraction form
    344,966.70/517,450.05 = 92,246.70/x
  3. Step 3: Cross multiply
    344,966.70x = 517,450.05 × 92,246.70
  4. Step 4: Simplify right side
    344,966.70x = 47,733,059,527.34
  5. Step 5: Solve for x
    x = 47,733,059,527.34/344,966.70
  6. Step 6: Final answer
    x = 138,370.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.