Finding the Fourth Proportional to 505,699.05, 758,659.35 and 190,155.96
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Solution
The fourth proportional to 505,699.05, 758,659.35 and 190,155.96 is: 285,275.59
Step by Step Solution
- Step 1: Write the proportion equation
505,699.05 : 758,659.35 = 190,155.96 : x - Step 2: Convert to fraction form
505,699.05/758,659.35 = 190,155.96/x - Step 3: Cross multiply
505,699.05x = 758,659.35 × 190,155.96 - Step 4: Simplify right side
505,699.05x = 144,263,597,012.23 - Step 5: Solve for x
x = 144,263,597,012.23/505,699.05 - Step 6: Final answer
x = 285,275.59
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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.