Finding the Fourth Proportional to 544,382.10, 816,739.14 and 278,329.44
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Solution
The fourth proportional to 544,382.10, 816,739.14 and 278,329.44 is: 417,579.03
Step by Step Solution
- Step 1: Write the proportion equation
544,382.10 : 816,739.14 = 278,329.44 : x - Step 2: Convert to fraction form
544,382.10/816,739.14 = 278,329.44/x - Step 3: Cross multiply
544,382.10x = 816,739.14 × 278,329.44 - Step 4: Simplify right side
544,382.10x = 227,322,547,462.28 - Step 5: Solve for x
x = 227,322,547,462.28/544,382.10 - Step 6: Final answer
x = 417,579.03
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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.