Home / 308,015.14-425,056.38-172,051.12

Finding the Fourth Proportional to 308,015.14, 425,056.38 and 172,051.12

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Solution

The fourth proportional to 308,015.14, 425,056.38 and 172,051.12 is: 237,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,015.14 : 425,056.38 = 172,051.12 : x
  2. Step 2: Convert to fraction form
    308,015.14/425,056.38 = 172,051.12/x
  3. Step 3: Cross multiply
    308,015.14x = 425,056.38 × 172,051.12
  4. Step 4: Simplify right side
    308,015.14x = 73,131,426,242.15
  5. Step 5: Solve for x
    x = 73,131,426,242.15/308,015.14
  6. Step 6: Final answer
    x = 237,428.02

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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.