Finding the Fourth Proportional to 505,696.99, 758,656.25 and 190,153.90
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Solution
The fourth proportional to 505,696.99, 758,656.25 and 190,153.90 is: 285,272.50
Step by Step Solution
- Step 1: Write the proportion equation
505,696.99 : 758,656.25 = 190,153.90 : x - Step 2: Convert to fraction form
505,696.99/758,656.25 = 190,153.90/x - Step 3: Cross multiply
505,696.99x = 758,656.25 × 190,153.90 - Step 4: Simplify right side
505,696.99x = 144,261,444,696.88 - Step 5: Solve for x
x = 144,261,444,696.88/505,696.99 - Step 6: Final answer
x = 285,272.50
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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.