Finding the Fourth Proportional to 168,769.91, 232,792.74 and 108,244.68
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Solution
The fourth proportional to 168,769.91, 232,792.74 and 108,244.68 is: 149,307.28
Step by Step Solution
- Step 1: Write the proportion equation
168,769.91 : 232,792.74 = 108,244.68 : x - Step 2: Convert to fraction form
168,769.91/232,792.74 = 108,244.68/x - Step 3: Cross multiply
168,769.91x = 232,792.74 × 108,244.68 - Step 4: Simplify right side
168,769.91x = 25,198,575,647.62 - Step 5: Solve for x
x = 25,198,575,647.62/168,769.91 - Step 6: Final answer
x = 149,307.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.