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Finding the Fourth Proportional to 248,592.97, 343,058.39 and 135,415.72

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Solution

The fourth proportional to 248,592.97, 343,058.39 and 135,415.72 is: 186,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,592.97 : 343,058.39 = 135,415.72 : x
  2. Step 2: Convert to fraction form
    248,592.97/343,058.39 = 135,415.72/x
  3. Step 3: Cross multiply
    248,592.97x = 343,058.39 × 135,415.72
  4. Step 4: Simplify right side
    248,592.97x = 46,455,498,883.89
  5. Step 5: Solve for x
    x = 46,455,498,883.89/248,592.97
  6. Step 6: Final answer
    x = 186,873.74

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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.