Home / 397,581.56-548,621.59-236,405.47

Finding the Fourth Proportional to 397,581.56, 548,621.59 and 236,405.47

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Solution

The fourth proportional to 397,581.56, 548,621.59 and 236,405.47 is: 326,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,581.56 : 548,621.59 = 236,405.47 : x
  2. Step 2: Convert to fraction form
    397,581.56/548,621.59 = 236,405.47/x
  3. Step 3: Cross multiply
    397,581.56x = 548,621.59 × 236,405.47
  4. Step 4: Simplify right side
    397,581.56x = 129,697,147,657.29
  5. Step 5: Solve for x
    x = 129,697,147,657.29/397,581.56
  6. Step 6: Final answer
    x = 326,215.20

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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.