Home / 305,275.80-421,226.28-184,336.04

Finding the Fourth Proportional to 305,275.80, 421,226.28 and 184,336.04

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Solution

The fourth proportional to 305,275.80, 421,226.28 and 184,336.04 is: 254,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,275.80 : 421,226.28 = 184,336.04 : x
  2. Step 2: Convert to fraction form
    305,275.80/421,226.28 = 184,336.04/x
  3. Step 3: Cross multiply
    305,275.80x = 421,226.28 × 184,336.04
  4. Step 4: Simplify right side
    305,275.80x = 77,647,184,399.13
  5. Step 5: Solve for x
    x = 77,647,184,399.13/305,275.80
  6. Step 6: Final answer
    x = 254,350.93

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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.