Home / 213,274.37-294,356.41-122,623.22

Finding the Fourth Proportional to 213,274.37, 294,356.41 and 122,623.22

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Solution

The fourth proportional to 213,274.37, 294,356.41 and 122,623.22 is: 169,241.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,274.37 : 294,356.41 = 122,623.22 : x
  2. Step 2: Convert to fraction form
    213,274.37/294,356.41 = 122,623.22/x
  3. Step 3: Cross multiply
    213,274.37x = 294,356.41 × 122,623.22
  4. Step 4: Simplify right side
    213,274.37x = 36,094,931,251.17
  5. Step 5: Solve for x
    x = 36,094,931,251.17/213,274.37
  6. Step 6: Final answer
    x = 169,241.77

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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.