Finding the Fourth Proportional to 815,183.84, 1,222,382.36 and 341,742.08
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Solution
The fourth proportional to 815,183.84, 1,222,382.36 and 341,742.08 is: 512,448.20
Step by Step Solution
- Step 1: Write the proportion equation
815,183.84 : 1,222,382.36 = 341,742.08 : x - Step 2: Convert to fraction form
815,183.84/1,222,382.36 = 341,742.08/x - Step 3: Cross multiply
815,183.84x = 1,222,382.36 × 341,742.08 - Step 4: Simplify right side
815,183.84x = 417,739,490,261.71 - Step 5: Solve for x
x = 417,739,490,261.71/815,183.84 - Step 6: Final answer
x = 512,448.20
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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.