Home / 393,077.10-589,615.65-168,399.30

Finding the Fourth Proportional to 393,077.10, 589,615.65 and 168,399.30

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Solution

The fourth proportional to 393,077.10, 589,615.65 and 168,399.30 is: 252,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,077.10 : 589,615.65 = 168,399.30 : x
  2. Step 2: Convert to fraction form
    393,077.10/589,615.65 = 168,399.30/x
  3. Step 3: Cross multiply
    393,077.10x = 589,615.65 × 168,399.30
  4. Step 4: Simplify right side
    393,077.10x = 99,290,862,729.05
  5. Step 5: Solve for x
    x = 99,290,862,729.05/393,077.10
  6. Step 6: Final answer
    x = 252,598.95

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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.