Home / 426,467.51-639,922.66-173,933.27

Finding the Fourth Proportional to 426,467.51, 639,922.66 and 173,933.27

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Solution

The fourth proportional to 426,467.51, 639,922.66 and 173,933.27 is: 260,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,467.51 : 639,922.66 = 173,933.27 : x
  2. Step 2: Convert to fraction form
    426,467.51/639,922.66 = 173,933.27/x
  3. Step 3: Cross multiply
    426,467.51x = 639,922.66 × 173,933.27
  4. Step 4: Simplify right side
    426,467.51x = 111,303,839,566.16
  5. Step 5: Solve for x
    x = 111,303,839,566.16/426,467.51
  6. Step 6: Final answer
    x = 260,990.20

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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.