Home / 455,036.10-627,945.66-251,088.90

Finding the Fourth Proportional to 455,036.10, 627,945.66 and 251,088.90

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Solution

The fourth proportional to 455,036.10, 627,945.66 and 251,088.90 is: 346,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,036.10 : 627,945.66 = 251,088.90 : x
  2. Step 2: Convert to fraction form
    455,036.10/627,945.66 = 251,088.90/x
  3. Step 3: Cross multiply
    455,036.10x = 627,945.66 × 251,088.90
  4. Step 4: Simplify right side
    455,036.10x = 157,670,185,029.17
  5. Step 5: Solve for x
    x = 157,670,185,029.17/455,036.10
  6. Step 6: Final answer
    x = 346,500.39

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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.