Finding the Fourth Proportional to 288,936.36, 433,296.77 and 99,343.08
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Solution
The fourth proportional to 288,936.36, 433,296.77 and 99,343.08 is: 148,977.56
Step by Step Solution
- Step 1: Write the proportion equation
288,936.36 : 433,296.77 = 99,343.08 : x - Step 2: Convert to fraction form
288,936.36/433,296.77 = 99,343.08/x - Step 3: Cross multiply
288,936.36x = 433,296.77 × 99,343.08 - Step 4: Simplify right side
288,936.36x = 43,045,035,189.14 - Step 5: Solve for x
x = 43,045,035,189.14/288,936.36 - Step 6: Final answer
x = 148,977.56
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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.