Finding the Fourth Proportional to 186,699.99, 279,889.56 and 68,346.84
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Solution
The fourth proportional to 186,699.99, 279,889.56 and 68,346.84 is: 102,461.53
Step by Step Solution
- Step 1: Write the proportion equation
186,699.99 : 279,889.56 = 68,346.84 : x - Step 2: Convert to fraction form
186,699.99/279,889.56 = 68,346.84/x - Step 3: Cross multiply
186,699.99x = 279,889.56 × 68,346.84 - Step 4: Simplify right side
186,699.99x = 19,129,566,974.99 - Step 5: Solve for x
x = 19,129,566,974.99/186,699.99 - Step 6: Final answer
x = 102,461.53
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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.