Finding the Fourth Proportional to 186,046.96, 279,070.64 and 67,719.28
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Solution
The fourth proportional to 186,046.96, 279,070.64 and 67,719.28 is: 101,578.99
Step by Step Solution
- Step 1: Write the proportion equation
186,046.96 : 279,070.64 = 67,719.28 : x - Step 2: Convert to fraction form
186,046.96/279,070.64 = 67,719.28/x - Step 3: Cross multiply
186,046.96x = 279,070.64 × 67,719.28 - Step 4: Simplify right side
186,046.96x = 18,898,462,809.94 - Step 5: Solve for x
x = 18,898,462,809.94/186,046.96 - Step 6: Final answer
x = 101,578.99
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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.