Home / 323,834.06-485,743.80-146,293.40

Finding the Fourth Proportional to 323,834.06, 485,743.80 and 146,293.40

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Solution

The fourth proportional to 323,834.06, 485,743.80 and 146,293.40 is: 219,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,834.06 : 485,743.80 = 146,293.40 : x
  2. Step 2: Convert to fraction form
    323,834.06/485,743.80 = 146,293.40/x
  3. Step 3: Cross multiply
    323,834.06x = 485,743.80 × 146,293.40
  4. Step 4: Simplify right side
    323,834.06x = 71,061,112,030.92
  5. Step 5: Solve for x
    x = 71,061,112,030.92/323,834.06
  6. Step 6: Final answer
    x = 219,436.81

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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.