Finding the Fourth Proportional to 244,908.09, 337,947.21 and 137,489.94
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Solution
The fourth proportional to 244,908.09, 337,947.21 and 137,489.94 is: 189,721.55
Step by Step Solution
- Step 1: Write the proportion equation
244,908.09 : 337,947.21 = 137,489.94 : x - Step 2: Convert to fraction form
244,908.09/337,947.21 = 137,489.94/x - Step 3: Cross multiply
244,908.09x = 337,947.21 × 137,489.94 - Step 4: Simplify right side
244,908.09x = 46,464,341,626.07 - Step 5: Solve for x
x = 46,464,341,626.07/244,908.09 - Step 6: Final answer
x = 189,721.55
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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.