Home / 306,055.10-422,347.60-170,085.62

Finding the Fourth Proportional to 306,055.10, 422,347.60 and 170,085.62

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Solution

The fourth proportional to 306,055.10, 422,347.60 and 170,085.62 is: 234,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,055.10 : 422,347.60 = 170,085.62 : x
  2. Step 2: Convert to fraction form
    306,055.10/422,347.60 = 170,085.62/x
  3. Step 3: Cross multiply
    306,055.10x = 422,347.60 × 170,085.62
  4. Step 4: Simplify right side
    306,055.10x = 71,835,253,401.51
  5. Step 5: Solve for x
    x = 71,835,253,401.51/306,055.10
  6. Step 6: Final answer
    x = 234,713.47

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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.