Home / 248,436.96-342,795.78-157,807.68

Finding the Fourth Proportional to 248,436.96, 342,795.78 and 157,807.68

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Solution

The fourth proportional to 248,436.96, 342,795.78 and 157,807.68 is: 217,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,436.96 : 342,795.78 = 157,807.68 : x
  2. Step 2: Convert to fraction form
    248,436.96/342,795.78 = 157,807.68/x
  3. Step 3: Cross multiply
    248,436.96x = 342,795.78 × 157,807.68
  4. Step 4: Simplify right side
    248,436.96x = 54,095,806,755.59
  5. Step 5: Solve for x
    x = 54,095,806,755.59/248,436.96
  6. Step 6: Final answer
    x = 217,744.60

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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.