Finding the Fourth Proportional to 990,183.15, 1,484,887.29 and 350,239.62
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Solution
The fourth proportional to 990,183.15, 1,484,887.29 and 350,239.62 is: 525,222.39
Step by Step Solution
- Step 1: Write the proportion equation
990,183.15 : 1,484,887.29 = 350,239.62 : x - Step 2: Convert to fraction form
990,183.15/1,484,887.29 = 350,239.62/x - Step 3: Cross multiply
990,183.15x = 1,484,887.29 × 350,239.62 - Step 4: Simplify right side
990,183.15x = 520,066,360,192.43 - Step 5: Solve for x
x = 520,066,360,192.43/990,183.15 - Step 6: Final answer
x = 525,222.39
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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.