Home / 220,839.72-304,948.24-213,698.49

Finding the Fourth Proportional to 220,839.72, 304,948.24 and 213,698.49

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Solution

The fourth proportional to 220,839.72, 304,948.24 and 213,698.49 is: 295,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,839.72 : 304,948.24 = 213,698.49 : x
  2. Step 2: Convert to fraction form
    220,839.72/304,948.24 = 213,698.49/x
  3. Step 3: Cross multiply
    220,839.72x = 304,948.24 × 213,698.49
  4. Step 4: Simplify right side
    220,839.72x = 65,166,977,539.72
  5. Step 5: Solve for x
    x = 65,166,977,539.72/220,839.72
  6. Step 6: Final answer
    x = 295,087.21

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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.