Finding the Fourth Proportional to 346,213.63, 519,387.68 and 132,965.88
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Solution
The fourth proportional to 346,213.63, 519,387.68 and 132,965.88 is: 199,474.64
Step by Step Solution
- Step 1: Write the proportion equation
346,213.63 : 519,387.68 = 132,965.88 : x - Step 2: Convert to fraction form
346,213.63/519,387.68 = 132,965.88/x - Step 3: Cross multiply
346,213.63x = 519,387.68 × 132,965.88 - Step 4: Simplify right side
346,213.63x = 69,060,839,932.36 - Step 5: Solve for x
x = 69,060,839,932.36/346,213.63 - Step 6: Final answer
x = 199,474.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.