Home / 306,058.80-422,351.02-168,238.18

Finding the Fourth Proportional to 306,058.80, 422,351.02 and 168,238.18

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Solution

The fourth proportional to 306,058.80, 422,351.02 and 168,238.18 is: 232,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,058.80 : 422,351.02 = 168,238.18 : x
  2. Step 2: Convert to fraction form
    306,058.80/422,351.02 = 168,238.18/x
  3. Step 3: Cross multiply
    306,058.80x = 422,351.02 × 168,238.18
  4. Step 4: Simplify right side
    306,058.80x = 71,055,566,925.94
  5. Step 5: Solve for x
    x = 71,055,566,925.94/306,058.80
  6. Step 6: Final answer
    x = 232,163.12

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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.