Finding the Fourth Proportional to 276,949.67, 415,258.12 and 108,269.09
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Solution
The fourth proportional to 276,949.67, 415,258.12 and 108,269.09 is: 162,338.59
Step by Step Solution
- Step 1: Write the proportion equation
276,949.67 : 415,258.12 = 108,269.09 : x - Step 2: Convert to fraction form
276,949.67/415,258.12 = 108,269.09/x - Step 3: Cross multiply
276,949.67x = 415,258.12 × 108,269.09 - Step 4: Simplify right side
276,949.67x = 44,959,618,767.51 - Step 5: Solve for x
x = 44,959,618,767.51/276,949.67 - Step 6: Final answer
x = 162,338.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.