Home / 455,008.12-627,924.35-251,072.17

Finding the Fourth Proportional to 455,008.12, 627,924.35 and 251,072.17

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Solution

The fourth proportional to 455,008.12, 627,924.35 and 251,072.17 is: 346,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,008.12 : 627,924.35 = 251,072.17 : x
  2. Step 2: Convert to fraction form
    455,008.12/627,924.35 = 251,072.17/x
  3. Step 3: Cross multiply
    455,008.12x = 627,924.35 × 251,072.17
  4. Step 4: Simplify right side
    455,008.12x = 157,654,327,894.98
  5. Step 5: Solve for x
    x = 157,654,327,894.98/455,008.12
  6. Step 6: Final answer
    x = 346,486.84

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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.