Home / 305,364.90-457,832.74-134,505.54

Finding the Fourth Proportional to 305,364.90, 457,832.74 and 134,505.54

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Solution

The fourth proportional to 305,364.90, 457,832.74 and 134,505.54 is: 201,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,364.90 : 457,832.74 = 134,505.54 : x
  2. Step 2: Convert to fraction form
    305,364.90/457,832.74 = 134,505.54/x
  3. Step 3: Cross multiply
    305,364.90x = 457,832.74 × 134,505.54
  4. Step 4: Simplify right side
    305,364.90x = 61,581,039,923.38
  5. Step 5: Solve for x
    x = 61,581,039,923.38/305,364.90
  6. Step 6: Final answer
    x = 201,663.78

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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.