Home / 330,236.60-455,570.02-222,841.23

Finding the Fourth Proportional to 330,236.60, 455,570.02 and 222,841.23

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Solution

The fourth proportional to 330,236.60, 455,570.02 and 222,841.23 is: 307,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,236.60 : 455,570.02 = 222,841.23 : x
  2. Step 2: Convert to fraction form
    330,236.60/455,570.02 = 222,841.23/x
  3. Step 3: Cross multiply
    330,236.60x = 455,570.02 × 222,841.23
  4. Step 4: Simplify right side
    330,236.60x = 101,519,782,178.09
  5. Step 5: Solve for x
    x = 101,519,782,178.09/330,236.60
  6. Step 6: Final answer
    x = 307,415.30

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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.