Home / 328,747.80-492,975.90-151,309.20

Finding the Fourth Proportional to 328,747.80, 492,975.90 and 151,309.20

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Solution

The fourth proportional to 328,747.80, 492,975.90 and 151,309.20 is: 226,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,747.80 : 492,975.90 = 151,309.20 : x
  2. Step 2: Convert to fraction form
    328,747.80/492,975.90 = 151,309.20/x
  3. Step 3: Cross multiply
    328,747.80x = 492,975.90 × 151,309.20
  4. Step 4: Simplify right side
    328,747.80x = 74,591,789,048.28
  5. Step 5: Solve for x
    x = 74,591,789,048.28/328,747.80
  6. Step 6: Final answer
    x = 226,896.69

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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.