Finding the Fourth Proportional to 454,716.19, 681,886.62 and 155,220.92
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Solution
The fourth proportional to 454,716.19, 681,886.62 and 155,220.92 is: 232,767.32
Step by Step Solution
- Step 1: Write the proportion equation
454,716.19 : 681,886.62 = 155,220.92 : x - Step 2: Convert to fraction form
454,716.19/681,886.62 = 155,220.92/x - Step 3: Cross multiply
454,716.19x = 681,886.62 × 155,220.92 - Step 4: Simplify right side
454,716.19x = 105,843,068,492.09 - Step 5: Solve for x
x = 105,843,068,492.09/454,716.19 - Step 6: Final answer
x = 232,767.32
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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.