Finding the Fourth Proportional to 178,881.84, 246,765.96 and 136,366.56
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Solution
The fourth proportional to 178,881.84, 246,765.96 and 136,366.56 is: 188,116.50
Step by Step Solution
- Step 1: Write the proportion equation
178,881.84 : 246,765.96 = 136,366.56 : x - Step 2: Convert to fraction form
178,881.84/246,765.96 = 136,366.56/x - Step 3: Cross multiply
178,881.84x = 246,765.96 × 136,366.56 - Step 4: Simplify right side
178,881.84x = 33,650,625,090.30 - Step 5: Solve for x
x = 33,650,625,090.30/178,881.84 - Step 6: Final answer
x = 188,116.50
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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.