Finding the Fourth Proportional to 476,985.80, 658,208.58 and 262,121.24
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Solution
The fourth proportional to 476,985.80, 658,208.58 and 262,121.24 is: 361,709.82
Step by Step Solution
- Step 1: Write the proportion equation
476,985.80 : 658,208.58 = 262,121.24 : x - Step 2: Convert to fraction form
476,985.80/658,208.58 = 262,121.24/x - Step 3: Cross multiply
476,985.80x = 658,208.58 × 262,121.24 - Step 4: Simplify right side
476,985.80x = 172,530,449,168.24 - Step 5: Solve for x
x = 172,530,449,168.24/476,985.80 - Step 6: Final answer
x = 361,709.82
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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.