Home / 308,173.17-425,270.83-172,208.23

Finding the Fourth Proportional to 308,173.17, 425,270.83 and 172,208.23

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Solution

The fourth proportional to 308,173.17, 425,270.83 and 172,208.23 is: 237,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,173.17 : 425,270.83 = 172,208.23 : x
  2. Step 2: Convert to fraction form
    308,173.17/425,270.83 = 172,208.23/x
  3. Step 3: Cross multiply
    308,173.17x = 425,270.83 × 172,208.23
  4. Step 4: Simplify right side
    308,173.17x = 73,235,138,126.27
  5. Step 5: Solve for x
    x = 73,235,138,126.27/308,173.17
  6. Step 6: Final answer
    x = 237,642.81

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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.