Finding the Fourth Proportional to 505,695.99, 758,654.75 and 190,152.90
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Solution
The fourth proportional to 505,695.99, 758,654.75 and 190,152.90 is: 285,270.99
Step by Step Solution
- Step 1: Write the proportion equation
505,695.99 : 758,654.75 = 190,152.90 : x - Step 2: Convert to fraction form
505,695.99/758,654.75 = 190,152.90/x - Step 3: Cross multiply
505,695.99x = 758,654.75 × 190,152.90 - Step 4: Simplify right side
505,695.99x = 144,260,397,018.00 - Step 5: Solve for x
x = 144,260,397,018.00/505,695.99 - Step 6: Final answer
x = 285,270.99
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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.