Home / 407,621.56-611,499.18-167,670.43

Finding the Fourth Proportional to 407,621.56, 611,499.18 and 167,670.43

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Solution

The fourth proportional to 407,621.56, 611,499.18 and 167,670.43 is: 251,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,621.56 : 611,499.18 = 167,670.43 : x
  2. Step 2: Convert to fraction form
    407,621.56/611,499.18 = 167,670.43/x
  3. Step 3: Cross multiply
    407,621.56x = 611,499.18 × 167,670.43
  4. Step 4: Simplify right side
    407,621.56x = 102,530,330,455.25
  5. Step 5: Solve for x
    x = 102,530,330,455.25/407,621.56
  6. Step 6: Final answer
    x = 251,533.14

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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.