Home / 248,178.44-342,302.94-157,456.28

Finding the Fourth Proportional to 248,178.44, 342,302.94 and 157,456.28

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Solution

The fourth proportional to 248,178.44, 342,302.94 and 157,456.28 is: 217,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,178.44 : 342,302.94 = 157,456.28 : x
  2. Step 2: Convert to fraction form
    248,178.44/342,302.94 = 157,456.28/x
  3. Step 3: Cross multiply
    248,178.44x = 342,302.94 × 157,456.28
  4. Step 4: Simplify right side
    248,178.44x = 53,897,747,565.46
  5. Step 5: Solve for x
    x = 53,897,747,565.46/248,178.44
  6. Step 6: Final answer
    x = 217,173.37

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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.