Home / 289,041.23-398,843.62-166,551.46

Finding the Fourth Proportional to 289,041.23, 398,843.62 and 166,551.46

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Solution

The fourth proportional to 289,041.23, 398,843.62 and 166,551.46 is: 229,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,041.23 : 398,843.62 = 166,551.46 : x
  2. Step 2: Convert to fraction form
    289,041.23/398,843.62 = 166,551.46/x
  3. Step 3: Cross multiply
    289,041.23x = 398,843.62 × 166,551.46
  4. Step 4: Simplify right side
    289,041.23x = 66,427,985,809.20
  5. Step 5: Solve for x
    x = 66,427,985,809.20/289,041.23
  6. Step 6: Final answer
    x = 229,821.83

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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.