Home / 305,200.44-421,202.16-169,277.04

Finding the Fourth Proportional to 305,200.44, 421,202.16 and 169,277.04

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Solution

The fourth proportional to 305,200.44, 421,202.16 and 169,277.04 is: 233,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,200.44 : 421,202.16 = 169,277.04 : x
  2. Step 2: Convert to fraction form
    305,200.44/421,202.16 = 169,277.04/x
  3. Step 3: Cross multiply
    305,200.44x = 421,202.16 × 169,277.04
  4. Step 4: Simplify right side
    305,200.44x = 71,299,854,886.41
  5. Step 5: Solve for x
    x = 71,299,854,886.41/305,200.44
  6. Step 6: Final answer
    x = 233,616.49

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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.