Finding the Fourth Proportional to 455,950.42, 629,192.00 and 251,990.80
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Solution
The fourth proportional to 455,950.42, 629,192.00 and 251,990.80 is: 347,736.48
Step by Step Solution
- Step 1: Write the proportion equation
455,950.42 : 629,192.00 = 251,990.80 : x - Step 2: Convert to fraction form
455,950.42/629,192.00 = 251,990.80/x - Step 3: Cross multiply
455,950.42x = 629,192.00 × 251,990.80 - Step 4: Simplify right side
455,950.42x = 158,550,594,490.60 - Step 5: Solve for x
x = 158,550,594,490.60/455,950.42 - Step 6: Final answer
x = 347,736.48
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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.