Finding the Fourth Proportional to 276,816.46, 382,006.68 and 149,492.06
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Solution
The fourth proportional to 276,816.46, 382,006.68 and 149,492.06 is: 206,299.02
Step by Step Solution
- Step 1: Write the proportion equation
276,816.46 : 382,006.68 = 149,492.06 : x - Step 2: Convert to fraction form
276,816.46/382,006.68 = 149,492.06/x - Step 3: Cross multiply
276,816.46x = 382,006.68 × 149,492.06 - Step 4: Simplify right side
276,816.46x = 57,106,965,526.96 - Step 5: Solve for x
x = 57,106,965,526.96/276,816.46 - Step 6: Final answer
x = 206,299.02
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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.