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Finding the Fourth Proportional to 442,725.98, 610,958.99 and 251,739.35

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Solution

The fourth proportional to 442,725.98, 610,958.99 and 251,739.35 is: 347,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,725.98 : 610,958.99 = 251,739.35 : x
  2. Step 2: Convert to fraction form
    442,725.98/610,958.99 = 251,739.35/x
  3. Step 3: Cross multiply
    442,725.98x = 610,958.99 × 251,739.35
  4. Step 4: Simplify right side
    442,725.98x = 153,802,414,705.77
  5. Step 5: Solve for x
    x = 153,802,414,705.77/442,725.98
  6. Step 6: Final answer
    x = 347,398.67

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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.