Home / 306,028.06-422,291.82-170,053.40

Finding the Fourth Proportional to 306,028.06, 422,291.82 and 170,053.40

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Solution

The fourth proportional to 306,028.06, 422,291.82 and 170,053.40 is: 234,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,028.06 : 422,291.82 = 170,053.40 : x
  2. Step 2: Convert to fraction form
    306,028.06/422,291.82 = 170,053.40/x
  3. Step 3: Cross multiply
    306,028.06x = 422,291.82 × 170,053.40
  4. Step 4: Simplify right side
    306,028.06x = 71,812,159,783.19
  5. Step 5: Solve for x
    x = 71,812,159,783.19/306,028.06
  6. Step 6: Final answer
    x = 234,658.74

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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.