Home / 217,384.80-326,768.40-204,943.20

Finding the Fourth Proportional to 217,384.80, 326,768.40 and 204,943.20

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Solution

The fourth proportional to 217,384.80, 326,768.40 and 204,943.20 is: 308,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,384.80 : 326,768.40 = 204,943.20 : x
  2. Step 2: Convert to fraction form
    217,384.80/326,768.40 = 204,943.20/x
  3. Step 3: Cross multiply
    217,384.80x = 326,768.40 × 204,943.20
  4. Step 4: Simplify right side
    217,384.80x = 66,968,961,554.88
  5. Step 5: Solve for x
    x = 66,968,961,554.88/217,384.80
  6. Step 6: Final answer
    x = 308,066.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.