Finding the Fourth Proportional to 276,902.06, 382,125.02 and 149,577.70
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Solution
The fourth proportional to 276,902.06, 382,125.02 and 149,577.70 is: 206,417.32
Step by Step Solution
- Step 1: Write the proportion equation
276,902.06 : 382,125.02 = 149,577.70 : x - Step 2: Convert to fraction form
276,902.06/382,125.02 = 149,577.70/x - Step 3: Cross multiply
276,902.06x = 382,125.02 × 149,577.70 - Step 4: Simplify right side
276,902.06x = 57,157,381,604.05 - Step 5: Solve for x
x = 57,157,381,604.05/276,902.06 - Step 6: Final answer
x = 206,417.32
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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.