Home / 215,811.87-323,678.61-58,003.41

Finding the Fourth Proportional to 215,811.87, 323,678.61 and 58,003.41

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Solution

The fourth proportional to 215,811.87, 323,678.61 and 58,003.41 is: 86,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,811.87 : 323,678.61 = 58,003.41 : x
  2. Step 2: Convert to fraction form
    215,811.87/323,678.61 = 58,003.41/x
  3. Step 3: Cross multiply
    215,811.87x = 323,678.61 × 58,003.41
  4. Step 4: Simplify right side
    215,811.87x = 18,774,463,124.06
  5. Step 5: Solve for x
    x = 18,774,463,124.06/215,811.87
  6. Step 6: Final answer
    x = 86,994.58

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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.