Home / 305,073.55-421,012.41-184,191.35

Finding the Fourth Proportional to 305,073.55, 421,012.41 and 184,191.35

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Solution

The fourth proportional to 305,073.55, 421,012.41 and 184,191.35 is: 254,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,073.55 : 421,012.41 = 184,191.35 : x
  2. Step 2: Convert to fraction form
    305,073.55/421,012.41 = 184,191.35/x
  3. Step 3: Cross multiply
    305,073.55x = 421,012.41 × 184,191.35
  4. Step 4: Simplify right side
    305,073.55x = 77,546,844,164.65
  5. Step 5: Solve for x
    x = 77,546,844,164.65/305,073.55
  6. Step 6: Final answer
    x = 254,190.65

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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.