Home / 306,814.36-423,302.32-179,399.76

Finding the Fourth Proportional to 306,814.36, 423,302.32 and 179,399.76

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Solution

The fourth proportional to 306,814.36, 423,302.32 and 179,399.76 is: 247,512.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,814.36 : 423,302.32 = 179,399.76 : x
  2. Step 2: Convert to fraction form
    306,814.36/423,302.32 = 179,399.76/x
  3. Step 3: Cross multiply
    306,814.36x = 423,302.32 × 179,399.76
  4. Step 4: Simplify right side
    306,814.36x = 75,940,334,615.44
  5. Step 5: Solve for x
    x = 75,940,334,615.44/306,814.36
  6. Step 6: Final answer
    x = 247,512.32

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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.