Finding the Fourth Proportional to 209,699.96, 314,323.68 and 102,959.80
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Solution
The fourth proportional to 209,699.96, 314,323.68 and 102,959.80 is: 154,328.61
Step by Step Solution
- Step 1: Write the proportion equation
209,699.96 : 314,323.68 = 102,959.80 : x - Step 2: Convert to fraction form
209,699.96/314,323.68 = 102,959.80/x - Step 3: Cross multiply
209,699.96x = 314,323.68 × 102,959.80 - Step 4: Simplify right side
209,699.96x = 32,362,703,228.06 - Step 5: Solve for x
x = 32,362,703,228.06/209,699.96 - Step 6: Final answer
x = 154,328.61
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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.