Home / 307,004.92-423,550.34-186,102.12

Finding the Fourth Proportional to 307,004.92, 423,550.34 and 186,102.12

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Solution

The fourth proportional to 307,004.92, 423,550.34 and 186,102.12 is: 256,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,004.92 : 423,550.34 = 186,102.12 : x
  2. Step 2: Convert to fraction form
    307,004.92/423,550.34 = 186,102.12/x
  3. Step 3: Cross multiply
    307,004.92x = 423,550.34 × 186,102.12
  4. Step 4: Simplify right side
    307,004.92x = 78,823,616,200.72
  5. Step 5: Solve for x
    x = 78,823,616,200.72/307,004.92
  6. Step 6: Final answer
    x = 256,750.34

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1.5x scale

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.