Home / 221,088.60-331,631.55-63,317.34

Finding the Fourth Proportional to 221,088.60, 331,631.55 and 63,317.34

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Solution

The fourth proportional to 221,088.60, 331,631.55 and 63,317.34 is: 94,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,088.60 : 331,631.55 = 63,317.34 : x
  2. Step 2: Convert to fraction form
    221,088.60/331,631.55 = 63,317.34/x
  3. Step 3: Cross multiply
    221,088.60x = 331,631.55 × 63,317.34
  4. Step 4: Simplify right side
    221,088.60x = 20,998,027,606.08
  5. Step 5: Solve for x
    x = 20,998,027,606.08/221,088.60
  6. Step 6: Final answer
    x = 94,975.62

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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.