Finding the Fourth Proportional to 149,006.99, 205,625.32 and 84,482.19
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Solution
The fourth proportional to 149,006.99, 205,625.32 and 84,482.19 is: 116,582.97
Step by Step Solution
- Step 1: Write the proportion equation
149,006.99 : 205,625.32 = 84,482.19 : x - Step 2: Convert to fraction form
149,006.99/205,625.32 = 84,482.19/x - Step 3: Cross multiply
149,006.99x = 205,625.32 × 84,482.19 - Step 4: Simplify right side
149,006.99x = 17,371,677,141.85 - Step 5: Solve for x
x = 17,371,677,141.85/149,006.99 - Step 6: Final answer
x = 116,582.97
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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.