Home / 456,011.12-684,166.44-219,322.64

Finding the Fourth Proportional to 456,011.12, 684,166.44 and 219,322.64

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Solution

The fourth proportional to 456,011.12, 684,166.44 and 219,322.64 is: 329,055.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,011.12 : 684,166.44 = 219,322.64 : x
  2. Step 2: Convert to fraction form
    456,011.12/684,166.44 = 219,322.64/x
  3. Step 3: Cross multiply
    456,011.12x = 684,166.44 × 219,322.64
  4. Step 4: Simplify right side
    456,011.12x = 150,053,189,820.20
  5. Step 5: Solve for x
    x = 150,053,189,820.20/456,011.12
  6. Step 6: Final answer
    x = 329,055.99

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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.