Finding the Fourth Proportional to 343,988.58, 515,964.63 and 107,304.15
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Solution
The fourth proportional to 343,988.58, 515,964.63 and 107,304.15 is: 160,950.54
Step by Step Solution
- Step 1: Write the proportion equation
343,988.58 : 515,964.63 = 107,304.15 : x - Step 2: Convert to fraction form
343,988.58/515,964.63 = 107,304.15/x - Step 3: Cross multiply
343,988.58x = 515,964.63 × 107,304.15 - Step 4: Simplify right side
343,988.58x = 55,365,146,052.21 - Step 5: Solve for x
x = 55,365,146,052.21/343,988.58 - Step 6: Final answer
x = 160,950.54
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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.