Finding the Fourth Proportional to 257,329.68, 355,249.38 and 199,840.02
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Solution
The fourth proportional to 257,329.68, 355,249.38 and 199,840.02 is: 275,883.62
Step by Step Solution
- Step 1: Write the proportion equation
257,329.68 : 355,249.38 = 199,840.02 : x - Step 2: Convert to fraction form
257,329.68/355,249.38 = 199,840.02/x - Step 3: Cross multiply
257,329.68x = 355,249.38 × 199,840.02 - Step 4: Simplify right side
257,329.68x = 70,993,043,204.19 - Step 5: Solve for x
x = 70,993,043,204.19/257,329.68 - Step 6: Final answer
x = 275,883.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.