Finding the Fourth Proportional to 395,732.80, 546,175.68 and 294,430.96
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Solution
The fourth proportional to 395,732.80, 546,175.68 and 294,430.96 is: 406,362.65
Step by Step Solution
- Step 1: Write the proportion equation
395,732.80 : 546,175.68 = 294,430.96 : x - Step 2: Convert to fraction form
395,732.80/546,175.68 = 294,430.96/x - Step 3: Cross multiply
395,732.80x = 546,175.68 × 294,430.96 - Step 4: Simplify right side
395,732.80x = 160,811,029,791.05 - Step 5: Solve for x
x = 160,811,029,791.05/395,732.80 - Step 6: Final answer
x = 406,362.65
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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.