Home / 307,141.24-423,889.32-171,187.60

Finding the Fourth Proportional to 307,141.24, 423,889.32 and 171,187.60

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Solution

The fourth proportional to 307,141.24, 423,889.32 and 171,187.60 is: 236,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,141.24 : 423,889.32 = 171,187.60 : x
  2. Step 2: Convert to fraction form
    307,141.24/423,889.32 = 171,187.60/x
  3. Step 3: Cross multiply
    307,141.24x = 423,889.32 × 171,187.60
  4. Step 4: Simplify right side
    307,141.24x = 72,564,595,356.43
  5. Step 5: Solve for x
    x = 72,564,595,356.43/307,141.24
  6. Step 6: Final answer
    x = 236,258.07

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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.