Home / 340,032.90-510,049.35-303,291.30

Finding the Fourth Proportional to 340,032.90, 510,049.35 and 303,291.30

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Solution

The fourth proportional to 340,032.90, 510,049.35 and 303,291.30 is: 454,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,032.90 : 510,049.35 = 303,291.30 : x
  2. Step 2: Convert to fraction form
    340,032.90/510,049.35 = 303,291.30/x
  3. Step 3: Cross multiply
    340,032.90x = 510,049.35 × 303,291.30
  4. Step 4: Simplify right side
    340,032.90x = 154,693,530,425.66
  5. Step 5: Solve for x
    x = 154,693,530,425.66/340,032.90
  6. Step 6: Final answer
    x = 454,936.95

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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.