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Finding the Fourth Proportional to 313,761.87, 432,994.73 and 170,521.92

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Solution

The fourth proportional to 313,761.87, 432,994.73 and 170,521.92 is: 235,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,761.87 : 432,994.73 = 170,521.92 : x
  2. Step 2: Convert to fraction form
    313,761.87/432,994.73 = 170,521.92/x
  3. Step 3: Cross multiply
    313,761.87x = 432,994.73 × 170,521.92
  4. Step 4: Simplify right side
    313,761.87x = 73,835,091,856.87
  5. Step 5: Solve for x
    x = 73,835,091,856.87/313,761.87
  6. Step 6: Final answer
    x = 235,322.07

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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.