Home / 393,254.20-589,507.60-250,699.36

Finding the Fourth Proportional to 393,254.20, 589,507.60 and 250,699.36

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Solution

The fourth proportional to 393,254.20, 589,507.60 and 250,699.36 is: 375,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,254.20 : 589,507.60 = 250,699.36 : x
  2. Step 2: Convert to fraction form
    393,254.20/589,507.60 = 250,699.36/x
  3. Step 3: Cross multiply
    393,254.20x = 589,507.60 × 250,699.36
  4. Step 4: Simplify right side
    393,254.20x = 147,789,178,035.14
  5. Step 5: Solve for x
    x = 147,789,178,035.14/393,254.20
  6. Step 6: Final answer
    x = 375,810.81

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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.