Home / 305,206.62-421,177.59-169,241.10

Finding the Fourth Proportional to 305,206.62, 421,177.59 and 169,241.10

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Solution

The fourth proportional to 305,206.62, 421,177.59 and 169,241.10 is: 233,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,206.62 : 421,177.59 = 169,241.10 : x
  2. Step 2: Convert to fraction form
    305,206.62/421,177.59 = 169,241.10/x
  3. Step 3: Cross multiply
    305,206.62x = 421,177.59 × 169,241.10
  4. Step 4: Simplify right side
    305,206.62x = 71,280,558,626.95
  5. Step 5: Solve for x
    x = 71,280,558,626.95/305,206.62
  6. Step 6: Final answer
    x = 233,548.53

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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.