Finding the Fourth Proportional to 230,770.80, 346,415.40 and 178,412.40
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Solution
The fourth proportional to 230,770.80, 346,415.40 and 178,412.40 is: 267,818.99
Step by Step Solution
- Step 1: Write the proportion equation
230,770.80 : 346,415.40 = 178,412.40 : x - Step 2: Convert to fraction form
230,770.80/346,415.40 = 178,412.40/x - Step 3: Cross multiply
230,770.80x = 346,415.40 × 178,412.40 - Step 4: Simplify right side
230,770.80x = 61,804,802,910.96 - Step 5: Solve for x
x = 61,804,802,910.96/230,770.80 - Step 6: Final answer
x = 267,818.99
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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.