Home / 455,176.52-628,095.96-251,223.68

Finding the Fourth Proportional to 455,176.52, 628,095.96 and 251,223.68

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Solution

The fourth proportional to 455,176.52, 628,095.96 and 251,223.68 is: 346,662.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,176.52 : 628,095.96 = 251,223.68 : x
  2. Step 2: Convert to fraction form
    455,176.52/628,095.96 = 251,223.68/x
  3. Step 3: Cross multiply
    455,176.52x = 628,095.96 × 251,223.68
  4. Step 4: Simplify right side
    455,176.52x = 157,792,578,464.33
  5. Step 5: Solve for x
    x = 157,792,578,464.33/455,176.52
  6. Step 6: Final answer
    x = 346,662.39

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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.