Finding the Fourth Proportional to 154,517.19, 232,828.65 and 127,052.49
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Solution
The fourth proportional to 154,517.19, 232,828.65 and 127,052.49 is: 191,444.46
Step by Step Solution
- Step 1: Write the proportion equation
154,517.19 : 232,828.65 = 127,052.49 : x - Step 2: Convert to fraction form
154,517.19/232,828.65 = 127,052.49/x - Step 3: Cross multiply
154,517.19x = 232,828.65 × 127,052.49 - Step 4: Simplify right side
154,517.19x = 29,581,459,725.84 - Step 5: Solve for x
x = 29,581,459,725.84/154,517.19 - Step 6: Final answer
x = 191,444.46
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.