Home / 306,399.03-422,714.66-190,058.66

Finding the Fourth Proportional to 306,399.03, 422,714.66 and 190,058.66

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Solution

The fourth proportional to 306,399.03, 422,714.66 and 190,058.66 is: 262,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,399.03 : 422,714.66 = 190,058.66 : x
  2. Step 2: Convert to fraction form
    306,399.03/422,714.66 = 190,058.66/x
  3. Step 3: Cross multiply
    306,399.03x = 422,714.66 × 190,058.66
  4. Step 4: Simplify right side
    306,399.03x = 80,340,581,841.96
  5. Step 5: Solve for x
    x = 80,340,581,841.96/306,399.03
  6. Step 6: Final answer
    x = 262,209.00

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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.