Home / 248,592.42-343,055.79-135,415.17

Finding the Fourth Proportional to 248,592.42, 343,055.79 and 135,415.17

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Solution

The fourth proportional to 248,592.42, 343,055.79 and 135,415.17 is: 186,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,592.42 : 343,055.79 = 135,415.17 : x
  2. Step 2: Convert to fraction form
    248,592.42/343,055.79 = 135,415.17/x
  3. Step 3: Cross multiply
    248,592.42x = 343,055.79 × 135,415.17
  4. Step 4: Simplify right side
    248,592.42x = 46,454,958,122.33
  5. Step 5: Solve for x
    x = 46,454,958,122.33/248,592.42
  6. Step 6: Final answer
    x = 186,871.98

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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.