Finding the Fourth Proportional to 168,412.60, 232,287.78 and 114,602.68
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Solution
The fourth proportional to 168,412.60, 232,287.78 and 114,602.68 is: 158,068.95
Step by Step Solution
- Step 1: Write the proportion equation
168,412.60 : 232,287.78 = 114,602.68 : x - Step 2: Convert to fraction form
168,412.60/232,287.78 = 114,602.68/x - Step 3: Cross multiply
168,412.60x = 232,287.78 × 114,602.68 - Step 4: Simplify right side
168,412.60x = 26,620,802,119.25 - Step 5: Solve for x
x = 26,620,802,119.25/168,412.60 - Step 6: Final answer
x = 158,068.95
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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.