Home / 306,026.05-422,289.07-170,051.39

Finding the Fourth Proportional to 306,026.05, 422,289.07 and 170,051.39

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Solution

The fourth proportional to 306,026.05, 422,289.07 and 170,051.39 is: 234,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,026.05 : 422,289.07 = 170,051.39 : x
  2. Step 2: Convert to fraction form
    306,026.05/422,289.07 = 170,051.39/x
  3. Step 3: Cross multiply
    306,026.05x = 422,289.07 × 170,051.39
  4. Step 4: Simplify right side
    306,026.05x = 71,810,843,335.31
  5. Step 5: Solve for x
    x = 71,810,843,335.31/306,026.05
  6. Step 6: Final answer
    x = 234,655.98

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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.