Home / 306,055.02-422,347.38-170,085.44

Finding the Fourth Proportional to 306,055.02, 422,347.38 and 170,085.44

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Solution

The fourth proportional to 306,055.02, 422,347.38 and 170,085.44 is: 234,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,055.02 : 422,347.38 = 170,085.44 : x
  2. Step 2: Convert to fraction form
    306,055.02/422,347.38 = 170,085.44/x
  3. Step 3: Cross multiply
    306,055.02x = 422,347.38 × 170,085.44
  4. Step 4: Simplify right side
    306,055.02x = 71,835,139,960.15
  5. Step 5: Solve for x
    x = 71,835,139,960.15/306,055.02
  6. Step 6: Final answer
    x = 234,713.16

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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.