Home / 455,057.04-627,974.64-251,109.84

Finding the Fourth Proportional to 455,057.04, 627,974.64 and 251,109.84

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Solution

The fourth proportional to 455,057.04, 627,974.64 and 251,109.84 is: 346,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,057.04 : 627,974.64 = 251,109.84 : x
  2. Step 2: Convert to fraction form
    455,057.04/627,974.64 = 251,109.84/x
  3. Step 3: Cross multiply
    455,057.04x = 627,974.64 × 251,109.84
  4. Step 4: Simplify right side
    455,057.04x = 157,690,611,374.46
  5. Step 5: Solve for x
    x = 157,690,611,374.46/455,057.04
  6. Step 6: Final answer
    x = 346,529.33

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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.