Home / 392,628.10-541,829.37-222,865.06

Finding the Fourth Proportional to 392,628.10, 541,829.37 and 222,865.06

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Solution

The fourth proportional to 392,628.10, 541,829.37 and 222,865.06 is: 307,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,628.10 : 541,829.37 = 222,865.06 : x
  2. Step 2: Convert to fraction form
    392,628.10/541,829.37 = 222,865.06/x
  3. Step 3: Cross multiply
    392,628.10x = 541,829.37 × 222,865.06
  4. Step 4: Simplify right side
    392,628.10x = 120,754,835,054.81
  5. Step 5: Solve for x
    x = 120,754,835,054.81/392,628.10
  6. Step 6: Final answer
    x = 307,555.25

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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.