Finding the Fourth Proportional to 411,014.70, 616,230.45 and 186,482.70
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Solution
The fourth proportional to 411,014.70, 616,230.45 and 186,482.70 is: 279,591.75
Step by Step Solution
- Step 1: Write the proportion equation
411,014.70 : 616,230.45 = 186,482.70 : x - Step 2: Convert to fraction form
411,014.70/616,230.45 = 186,482.70/x - Step 3: Cross multiply
411,014.70x = 616,230.45 × 186,482.70 - Step 4: Simplify right side
411,014.70x = 114,916,318,138.22 - Step 5: Solve for x
x = 114,916,318,138.22/411,014.70 - Step 6: Final answer
x = 279,591.75
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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.