Finding the Fourth Proportional to 168,809.42, 232,948.28 and 92,313.62
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Solution
The fourth proportional to 168,809.42, 232,948.28 and 92,313.62 is: 127,388.03
Step by Step Solution
- Step 1: Write the proportion equation
168,809.42 : 232,948.28 = 92,313.62 : x - Step 2: Convert to fraction form
168,809.42/232,948.28 = 92,313.62/x - Step 3: Cross multiply
168,809.42x = 232,948.28 × 92,313.62 - Step 4: Simplify right side
168,809.42x = 21,504,298,999.57 - Step 5: Solve for x
x = 21,504,298,999.57/168,809.42 - Step 6: Final answer
x = 127,388.03
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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.