Finding the Fourth Proportional to 108,194.29, 149,305.36 and 60,447.99
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Solution
The fourth proportional to 108,194.29, 149,305.36 and 60,447.99 is: 83,416.68
Step by Step Solution
- Step 1: Write the proportion equation
108,194.29 : 149,305.36 = 60,447.99 : x - Step 2: Convert to fraction form
108,194.29/149,305.36 = 60,447.99/x - Step 3: Cross multiply
108,194.29x = 149,305.36 × 60,447.99 - Step 4: Simplify right side
108,194.29x = 9,025,208,908.23 - Step 5: Solve for x
x = 9,025,208,908.23/108,194.29 - Step 6: Final answer
x = 83,416.68
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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.