Home / 306,755.20-460,803.66-218,575.36

Finding the Fourth Proportional to 306,755.20, 460,803.66 and 218,575.36

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Solution

The fourth proportional to 306,755.20, 460,803.66 and 218,575.36 is: 328,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,755.20 : 460,803.66 = 218,575.36 : x
  2. Step 2: Convert to fraction form
    306,755.20/460,803.66 = 218,575.36/x
  3. Step 3: Cross multiply
    306,755.20x = 460,803.66 × 218,575.36
  4. Step 4: Simplify right side
    306,755.20x = 100,720,325,873.82
  5. Step 5: Solve for x
    x = 100,720,325,873.82/306,755.20
  6. Step 6: Final answer
    x = 328,341.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.