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Finding the Fourth Proportional to 270,300.05, 372,998.02 and 149,434.11

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Solution

The fourth proportional to 270,300.05, 372,998.02 and 149,434.11 is: 206,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,300.05 : 372,998.02 = 149,434.11 : x
  2. Step 2: Convert to fraction form
    270,300.05/372,998.02 = 149,434.11/x
  3. Step 3: Cross multiply
    270,300.05x = 372,998.02 × 149,434.11
  4. Step 4: Simplify right side
    270,300.05x = 55,738,626,403.29
  5. Step 5: Solve for x
    x = 55,738,626,403.29/270,300.05
  6. Step 6: Final answer
    x = 206,210.20

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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.