Finding the Fourth Proportional to 395,993.48, 546,473.43 and 214,703.82
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Solution
The fourth proportional to 395,993.48, 546,473.43 and 214,703.82 is: 296,292.59
Step by Step Solution
- Step 1: Write the proportion equation
395,993.48 : 546,473.43 = 214,703.82 : x - Step 2: Convert to fraction form
395,993.48/546,473.43 = 214,703.82/x - Step 3: Cross multiply
395,993.48x = 546,473.43 × 214,703.82 - Step 4: Simplify right side
395,993.48x = 117,329,932,949.50 - Step 5: Solve for x
x = 117,329,932,949.50/395,993.48 - Step 6: Final answer
x = 296,292.59
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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.