Finding the Fourth Proportional to 302,165.14, 416,988.73 and 166,213.02
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Solution
The fourth proportional to 302,165.14, 416,988.73 and 166,213.02 is: 229,374.43
Step by Step Solution
- Step 1: Write the proportion equation
302,165.14 : 416,988.73 = 166,213.02 : x - Step 2: Convert to fraction form
302,165.14/416,988.73 = 166,213.02/x - Step 3: Cross multiply
302,165.14x = 416,988.73 × 166,213.02 - Step 4: Simplify right side
302,165.14x = 69,308,956,119.26 - Step 5: Solve for x
x = 69,308,956,119.26/302,165.14 - Step 6: Final answer
x = 229,374.43
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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.