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Finding the Fourth Proportional to 248,284, 342,637.32 and 135,106.84

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Solution

The fourth proportional to 248,284, 342,637.32 and 135,106.84 is: 186,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,284 : 342,637.32 = 135,106.84 : x
  2. Step 2: Convert to fraction form
    248,284/342,637.32 = 135,106.84/x
  3. Step 3: Cross multiply
    248,284x = 342,637.32 × 135,106.84
  4. Step 4: Simplify right side
    248,284x = 46,292,645,571.27
  5. Step 5: Solve for x
    x = 46,292,645,571.27/248,284
  6. Step 6: Final answer
    x = 186,450.38

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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.