Home / 305,824.01-422,031.77-169,852.75

Finding the Fourth Proportional to 305,824.01, 422,031.77 and 169,852.75

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Solution

The fourth proportional to 305,824.01, 422,031.77 and 169,852.75 is: 234,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,824.01 : 422,031.77 = 169,852.75 : x
  2. Step 2: Convert to fraction form
    305,824.01/422,031.77 = 169,852.75/x
  3. Step 3: Cross multiply
    305,824.01x = 422,031.77 × 169,852.75
  4. Step 4: Simplify right side
    305,824.01x = 71,683,255,454.47
  5. Step 5: Solve for x
    x = 71,683,255,454.47/305,824.01
  6. Step 6: Final answer
    x = 234,393.82

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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.