Home / 307,060.11-423,743.81-178,023.60

Finding the Fourth Proportional to 307,060.11, 423,743.81 and 178,023.60

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Solution

The fourth proportional to 307,060.11, 423,743.81 and 178,023.60 is: 245,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,060.11 : 423,743.81 = 178,023.60 : x
  2. Step 2: Convert to fraction form
    307,060.11/423,743.81 = 178,023.60/x
  3. Step 3: Cross multiply
    307,060.11x = 423,743.81 × 178,023.60
  4. Step 4: Simplify right side
    307,060.11x = 75,436,397,643.80
  5. Step 5: Solve for x
    x = 75,436,397,643.80/307,060.11
  6. Step 6: Final answer
    x = 245,673.06

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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.