Home / 248,416.93-342,816.65-135,240.49

Finding the Fourth Proportional to 248,416.93, 342,816.65 and 135,240.49

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Solution

The fourth proportional to 248,416.93, 342,816.65 and 135,240.49 is: 186,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,416.93 : 342,816.65 = 135,240.49 : x
  2. Step 2: Convert to fraction form
    248,416.93/342,816.65 = 135,240.49/x
  3. Step 3: Cross multiply
    248,416.93x = 342,816.65 × 135,240.49
  4. Step 4: Simplify right side
    248,416.93x = 46,362,691,726.16
  5. Step 5: Solve for x
    x = 46,362,691,726.16/248,416.93
  6. Step 6: Final answer
    x = 186,632.58

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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.