Home / 306,400.24-422,844.36-185,473.11

Finding the Fourth Proportional to 306,400.24, 422,844.36 and 185,473.11

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Solution

The fourth proportional to 306,400.24, 422,844.36 and 185,473.11 is: 255,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,400.24 : 422,844.36 = 185,473.11 : x
  2. Step 2: Convert to fraction form
    306,400.24/422,844.36 = 185,473.11/x
  3. Step 3: Cross multiply
    306,400.24x = 422,844.36 × 185,473.11
  4. Step 4: Simplify right side
    306,400.24x = 78,426,258,495.16
  5. Step 5: Solve for x
    x = 78,426,258,495.16/306,400.24
  6. Step 6: Final answer
    x = 255,960.18

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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.