Finding the Fourth Proportional to 186,677.60, 279,966.18 and 68,349.56
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Solution
The fourth proportional to 186,677.60, 279,966.18 and 68,349.56 is: 102,505.95
Step by Step Solution
- Step 1: Write the proportion equation
186,677.60 : 279,966.18 = 68,349.56 : x - Step 2: Convert to fraction form
186,677.60/279,966.18 = 68,349.56/x - Step 3: Cross multiply
186,677.60x = 279,966.18 × 68,349.56 - Step 4: Simplify right side
186,677.60x = 19,135,565,217.88 - Step 5: Solve for x
x = 19,135,565,217.88/186,677.60 - Step 6: Final answer
x = 102,505.95
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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.