Finding the Fourth Proportional to 186,718.26, 280,044.18 and 74,389.08
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Solution
The fourth proportional to 186,718.26, 280,044.18 and 74,389.08 is: 111,570.39
Step by Step Solution
- Step 1: Write the proportion equation
186,718.26 : 280,044.18 = 74,389.08 : x - Step 2: Convert to fraction form
186,718.26/280,044.18 = 74,389.08/x - Step 3: Cross multiply
186,718.26x = 280,044.18 × 74,389.08 - Step 4: Simplify right side
186,718.26x = 20,832,228,909.55 - Step 5: Solve for x
x = 20,832,228,909.55/186,718.26 - Step 6: Final answer
x = 111,570.39
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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.