Home / 248,402.88-342,797.40-135,225.36

Finding the Fourth Proportional to 248,402.88, 342,797.40 and 135,225.36

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Solution

The fourth proportional to 248,402.88, 342,797.40 and 135,225.36 is: 186,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,402.88 : 342,797.40 = 135,225.36 : x
  2. Step 2: Convert to fraction form
    248,402.88/342,797.40 = 135,225.36/x
  3. Step 3: Cross multiply
    248,402.88x = 342,797.40 × 135,225.36
  4. Step 4: Simplify right side
    248,402.88x = 46,354,901,822.06
  5. Step 5: Solve for x
    x = 46,354,901,822.06/248,402.88
  6. Step 6: Final answer
    x = 186,611.77

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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.