Home / 306,025.81-422,288.73-170,051.14

Finding the Fourth Proportional to 306,025.81, 422,288.73 and 170,051.14

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Solution

The fourth proportional to 306,025.81, 422,288.73 and 170,051.14 is: 234,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,025.81 : 422,288.73 = 170,051.14 : x
  2. Step 2: Convert to fraction form
    306,025.81/422,288.73 = 170,051.14/x
  3. Step 3: Cross multiply
    306,025.81x = 422,288.73 × 170,051.14
  4. Step 4: Simplify right side
    306,025.81x = 71,810,678,889.93
  5. Step 5: Solve for x
    x = 71,810,678,889.93/306,025.81
  6. Step 6: Final answer
    x = 234,655.63

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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.