Home / 306,388.05-422,827.55-185,460.93

Finding the Fourth Proportional to 306,388.05, 422,827.55 and 185,460.93

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Solution

The fourth proportional to 306,388.05, 422,827.55 and 185,460.93 is: 255,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,388.05 : 422,827.55 = 185,460.93 : x
  2. Step 2: Convert to fraction form
    306,388.05/422,827.55 = 185,460.93/x
  3. Step 3: Cross multiply
    306,388.05x = 422,827.55 × 185,460.93
  4. Step 4: Simplify right side
    306,388.05x = 78,417,989,725.32
  5. Step 5: Solve for x
    x = 78,417,989,725.32/306,388.05
  6. Step 6: Final answer
    x = 255,943.37

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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.