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Finding the Fourth Proportional to 308,744.04, 426,015.41 and 181,444.24

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Solution

The fourth proportional to 308,744.04, 426,015.41 and 181,444.24 is: 250,362.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,744.04 : 426,015.41 = 181,444.24 : x
  2. Step 2: Convert to fraction form
    308,744.04/426,015.41 = 181,444.24/x
  3. Step 3: Cross multiply
    308,744.04x = 426,015.41 × 181,444.24
  4. Step 4: Simplify right side
    308,744.04x = 77,298,042,295.74
  5. Step 5: Solve for x
    x = 77,298,042,295.74/308,744.04
  6. Step 6: Final answer
    x = 250,362.86

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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.