Finding the Fourth Proportional to 377,349.12, 565,557.12 and 190,414.08
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Solution
The fourth proportional to 377,349.12, 565,557.12 and 190,414.08 is: 285,385.69
Step by Step Solution
- Step 1: Write the proportion equation
377,349.12 : 565,557.12 = 190,414.08 : x - Step 2: Convert to fraction form
377,349.12/565,557.12 = 190,414.08/x - Step 3: Cross multiply
377,349.12x = 565,557.12 × 190,414.08 - Step 4: Simplify right side
377,349.12x = 107,690,038,692.25 - Step 5: Solve for x
x = 107,690,038,692.25/377,349.12 - Step 6: Final answer
x = 285,385.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.