Finding the Fourth Proportional to 376,199.12, 519,153.36 and 206,436.08
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Solution
The fourth proportional to 376,199.12, 519,153.36 and 206,436.08 is: 284,881.01
Step by Step Solution
- Step 1: Write the proportion equation
376,199.12 : 519,153.36 = 206,436.08 : x - Step 2: Convert to fraction form
376,199.12/519,153.36 = 206,436.08/x - Step 3: Cross multiply
376,199.12x = 519,153.36 × 206,436.08 - Step 4: Simplify right side
376,199.12x = 107,171,984,557.23 - Step 5: Solve for x
x = 107,171,984,557.23/376,199.12 - Step 6: Final answer
x = 284,881.01
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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.