Finding the Fourth Proportional to 186,275.09, 279,379.53 and 79,718.99
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Solution
The fourth proportional to 186,275.09, 279,379.53 and 79,718.99 is: 119,564.31
Step by Step Solution
- Step 1: Write the proportion equation
186,275.09 : 279,379.53 = 79,718.99 : x - Step 2: Convert to fraction form
186,275.09/279,379.53 = 79,718.99/x - Step 3: Cross multiply
186,275.09x = 279,379.53 × 79,718.99 - Step 4: Simplify right side
186,275.09x = 22,271,852,561.38 - Step 5: Solve for x
x = 22,271,852,561.38/186,275.09 - Step 6: Final answer
x = 119,564.31
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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.