Home / 328,945.65-493,433.06-92,283.09

Finding the Fourth Proportional to 328,945.65, 493,433.06 and 92,283.09

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Solution

The fourth proportional to 328,945.65, 493,433.06 and 92,283.09 is: 138,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,945.65 : 493,433.06 = 92,283.09 : x
  2. Step 2: Convert to fraction form
    328,945.65/493,433.06 = 92,283.09/x
  3. Step 3: Cross multiply
    328,945.65x = 493,433.06 × 92,283.09
  4. Step 4: Simplify right side
    328,945.65x = 45,535,527,023.54
  5. Step 5: Solve for x
    x = 45,535,527,023.54/328,945.65
  6. Step 6: Final answer
    x = 138,428.73

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1.5x scale

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.