Finding the Fourth Proportional to 188,946.95, 260,734.95 and 104,063.99
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Solution
The fourth proportional to 188,946.95, 260,734.95 and 104,063.99 is: 143,601.78
Step by Step Solution
- Step 1: Write the proportion equation
188,946.95 : 260,734.95 = 104,063.99 : x - Step 2: Convert to fraction form
188,946.95/260,734.95 = 104,063.99/x - Step 3: Cross multiply
188,946.95x = 260,734.95 × 104,063.99 - Step 4: Simplify right side
188,946.95x = 27,133,117,925.78 - Step 5: Solve for x
x = 27,133,117,925.78/188,946.95 - Step 6: Final answer
x = 143,601.78
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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.