Finding the Fourth Proportional to 371,572.36, 512,773.62 and 201,809.80
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Solution
The fourth proportional to 371,572.36, 512,773.62 and 201,809.80 is: 278,499.57
Step by Step Solution
- Step 1: Write the proportion equation
371,572.36 : 512,773.62 = 201,809.80 : x - Step 2: Convert to fraction form
371,572.36/512,773.62 = 201,809.80/x - Step 3: Cross multiply
371,572.36x = 512,773.62 × 201,809.80 - Step 4: Simplify right side
371,572.36x = 103,482,741,697.48 - Step 5: Solve for x
x = 103,482,741,697.48/371,572.36 - Step 6: Final answer
x = 278,499.57
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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.