Home / 305,908.06-422,035.34-225,526.69

Finding the Fourth Proportional to 305,908.06, 422,035.34 and 225,526.69

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Solution

The fourth proportional to 305,908.06, 422,035.34 and 225,526.69 is: 311,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,908.06 : 422,035.34 = 225,526.69 : x
  2. Step 2: Convert to fraction form
    305,908.06/422,035.34 = 225,526.69/x
  3. Step 3: Cross multiply
    305,908.06x = 422,035.34 × 225,526.69
  4. Step 4: Simplify right side
    305,908.06x = 95,180,233,293.22
  5. Step 5: Solve for x
    x = 95,180,233,293.22/305,908.06
  6. Step 6: Final answer
    x = 311,140.00

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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.