Finding the Fourth Proportional to 192,929.29, 289,492.74 and 91,841.75
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Solution
The fourth proportional to 192,929.29, 289,492.74 and 91,841.75 is: 137,809.66
Step by Step Solution
- Step 1: Write the proportion equation
192,929.29 : 289,492.74 = 91,841.75 : x - Step 2: Convert to fraction form
192,929.29/289,492.74 = 91,841.75/x - Step 3: Cross multiply
192,929.29x = 289,492.74 × 91,841.75 - Step 4: Simplify right side
192,929.29x = 26,587,519,394.69 - Step 5: Solve for x
x = 26,587,519,394.69/192,929.29 - Step 6: Final answer
x = 137,809.66
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1.5x scale
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.