Home / 455,072.24-627,999.20-251,123.10

Finding the Fourth Proportional to 455,072.24, 627,999.20 and 251,123.10

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Solution

The fourth proportional to 455,072.24, 627,999.20 and 251,123.10 is: 346,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,072.24 : 627,999.20 = 251,123.10 : x
  2. Step 2: Convert to fraction form
    455,072.24/627,999.20 = 251,123.10/x
  3. Step 3: Cross multiply
    455,072.24x = 627,999.20 × 251,123.10
  4. Step 4: Simplify right side
    455,072.24x = 157,705,104,645.90
  5. Step 5: Solve for x
    x = 157,705,104,645.90/455,072.24
  6. Step 6: Final answer
    x = 346,549.61

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1.5x scale

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.