Home / 306,222.12-422,600.59-170,270.03

Finding the Fourth Proportional to 306,222.12, 422,600.59 and 170,270.03

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Solution

The fourth proportional to 306,222.12, 422,600.59 and 170,270.03 is: 234,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,222.12 : 422,600.59 = 170,270.03 : x
  2. Step 2: Convert to fraction form
    306,222.12/422,600.59 = 170,270.03/x
  3. Step 3: Cross multiply
    306,222.12x = 422,600.59 × 170,270.03
  4. Step 4: Simplify right side
    306,222.12x = 71,956,216,406.66
  5. Step 5: Solve for x
    x = 71,956,216,406.66/306,222.12
  6. Step 6: Final answer
    x = 234,980.47

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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.