Home / 308,343.24-425,533.41-172,377.72

Finding the Fourth Proportional to 308,343.24, 425,533.41 and 172,377.72

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Solution

The fourth proportional to 308,343.24, 425,533.41 and 172,377.72 is: 237,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,343.24 : 425,533.41 = 172,377.72 : x
  2. Step 2: Convert to fraction form
    308,343.24/425,533.41 = 172,377.72/x
  3. Step 3: Cross multiply
    308,343.24x = 425,533.41 × 172,377.72
  4. Step 4: Simplify right side
    308,343.24x = 73,352,478,999.63
  5. Step 5: Solve for x
    x = 73,352,478,999.63/308,343.24
  6. Step 6: Final answer
    x = 237,892.29

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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.