Finding the Fourth Proportional to 108,005.13, 149,046.84 and 60,258.06
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Solution
The fourth proportional to 108,005.13, 149,046.84 and 60,258.06 is: 83,155.99
Step by Step Solution
- Step 1: Write the proportion equation
108,005.13 : 149,046.84 = 60,258.06 : x - Step 2: Convert to fraction form
108,005.13/149,046.84 = 60,258.06/x - Step 3: Cross multiply
108,005.13x = 149,046.84 × 60,258.06 - Step 4: Simplify right side
108,005.13x = 8,981,273,427.53 - Step 5: Solve for x
x = 8,981,273,427.53/108,005.13 - Step 6: Final answer
x = 83,155.99
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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.