Home / 308,736.40-426,140.04-181,452.88

Finding the Fourth Proportional to 308,736.40, 426,140.04 and 181,452.88

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Solution

The fourth proportional to 308,736.40, 426,140.04 and 181,452.88 is: 250,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,736.40 : 426,140.04 = 181,452.88 : x
  2. Step 2: Convert to fraction form
    308,736.40/426,140.04 = 181,452.88/x
  3. Step 3: Cross multiply
    308,736.40x = 426,140.04 × 181,452.88
  4. Step 4: Simplify right side
    308,736.40x = 77,324,337,541.32
  5. Step 5: Solve for x
    x = 77,324,337,541.32/308,736.40
  6. Step 6: Final answer
    x = 250,454.23

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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.