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Finding the Fourth Proportional to 248,610.43, 372,969.64 and 90,838.63

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Solution

The fourth proportional to 248,610.43, 372,969.64 and 90,838.63 is: 136,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,610.43 : 372,969.64 = 90,838.63 : x
  2. Step 2: Convert to fraction form
    248,610.43/372,969.64 = 90,838.63/x
  3. Step 3: Cross multiply
    248,610.43x = 372,969.64 × 90,838.63
  4. Step 4: Simplify right side
    248,610.43x = 33,880,049,264.35
  5. Step 5: Solve for x
    x = 33,880,049,264.35/248,610.43
  6. Step 6: Final answer
    x = 136,277.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.