Home / 331,928.92-458,059.82-188,688.96

Finding the Fourth Proportional to 331,928.92, 458,059.82 and 188,688.96

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Solution

The fourth proportional to 331,928.92, 458,059.82 and 188,688.96 is: 260,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,928.92 : 458,059.82 = 188,688.96 : x
  2. Step 2: Convert to fraction form
    331,928.92/458,059.82 = 188,688.96/x
  3. Step 3: Cross multiply
    331,928.92x = 458,059.82 × 188,688.96
  4. Step 4: Simplify right side
    331,928.92x = 86,430,830,110.14
  5. Step 5: Solve for x
    x = 86,430,830,110.14/331,928.92
  6. Step 6: Final answer
    x = 260,389.58

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1.5x scale

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.