Finding the Fourth Proportional to 371,575.62, 512,773.91 and 201,808.53
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Solution
The fourth proportional to 371,575.62, 512,773.91 and 201,808.53 is: 278,495.53
Step by Step Solution
- Step 1: Write the proportion equation
371,575.62 : 512,773.91 = 201,808.53 : x - Step 2: Convert to fraction form
371,575.62/512,773.91 = 201,808.53/x - Step 3: Cross multiply
371,575.62x = 512,773.91 × 201,808.53 - Step 4: Simplify right side
371,575.62x = 103,482,147,990.41 - Step 5: Solve for x
x = 103,482,147,990.41/371,575.62 - Step 6: Final answer
x = 278,495.53
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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.