Home / 393,549.03-589,825.13-251,339.36

Finding the Fourth Proportional to 393,549.03, 589,825.13 and 251,339.36

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Solution

The fourth proportional to 393,549.03, 589,825.13 and 251,339.36 is: 376,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,549.03 : 589,825.13 = 251,339.36 : x
  2. Step 2: Convert to fraction form
    393,549.03/589,825.13 = 251,339.36/x
  3. Step 3: Cross multiply
    393,549.03x = 589,825.13 × 251,339.36
  4. Step 4: Simplify right side
    393,549.03x = 148,246,266,480.29
  5. Step 5: Solve for x
    x = 148,246,266,480.29/393,549.03
  6. Step 6: Final answer
    x = 376,690.72

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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.