Finding the Fourth Proportional to 371,544.84, 512,731.98 and 201,778.92
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Solution
The fourth proportional to 371,544.84, 512,731.98 and 201,778.92 is: 278,454.96
Step by Step Solution
- Step 1: Write the proportion equation
371,544.84 : 512,731.98 = 201,778.92 : x - Step 2: Convert to fraction form
371,544.84/512,731.98 = 201,778.92/x - Step 3: Cross multiply
371,544.84x = 512,731.98 × 201,778.92 - Step 4: Simplify right side
371,544.84x = 103,458,505,173.86 - Step 5: Solve for x
x = 103,458,505,173.86/371,544.84 - Step 6: Final answer
x = 278,454.96
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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.