Finding the Fourth Proportional to 168,268.35, 232,214.70 and 91,788.75
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Solution
The fourth proportional to 168,268.35, 232,214.70 and 91,788.75 is: 126,670.86
Step by Step Solution
- Step 1: Write the proportion equation
168,268.35 : 232,214.70 = 91,788.75 : x - Step 2: Convert to fraction form
168,268.35/232,214.70 = 91,788.75/x - Step 3: Cross multiply
168,268.35x = 232,214.70 × 91,788.75 - Step 4: Simplify right side
168,268.35x = 21,314,697,044.63 - Step 5: Solve for x
x = 21,314,697,044.63/168,268.35 - Step 6: Final answer
x = 126,670.86
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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.