Home / 248,800.47-343,133.37-210,227.28

Finding the Fourth Proportional to 248,800.47, 343,133.37 and 210,227.28

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Solution

The fourth proportional to 248,800.47, 343,133.37 and 210,227.28 is: 289,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,800.47 : 343,133.37 = 210,227.28 : x
  2. Step 2: Convert to fraction form
    248,800.47/343,133.37 = 210,227.28/x
  3. Step 3: Cross multiply
    248,800.47x = 343,133.37 × 210,227.28
  4. Step 4: Simplify right side
    248,800.47x = 72,135,995,052.33
  5. Step 5: Solve for x
    x = 72,135,995,052.33/248,800.47
  6. Step 6: Final answer
    x = 289,935.12

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1.5x scale

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.