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Finding the Fourth Proportional to 253,377.92, 349,637.72 and 171,539.70

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Solution

The fourth proportional to 253,377.92, 349,637.72 and 171,539.70 is: 236,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,377.92 : 349,637.72 = 171,539.70 : x
  2. Step 2: Convert to fraction form
    253,377.92/349,637.72 = 171,539.70/x
  3. Step 3: Cross multiply
    253,377.92x = 349,637.72 × 171,539.70
  4. Step 4: Simplify right side
    253,377.92x = 59,976,749,597.48
  5. Step 5: Solve for x
    x = 59,976,749,597.48/253,377.92
  6. Step 6: Final answer
    x = 236,708.67

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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.