Finding the Fourth Proportional to 311,368.94, 466,690.50 and 142,907.08
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Solution
The fourth proportional to 311,368.94, 466,690.50 and 142,907.08 is: 214,194.06
Step by Step Solution
- Step 1: Write the proportion equation
311,368.94 : 466,690.50 = 142,907.08 : x - Step 2: Convert to fraction form
311,368.94/466,690.50 = 142,907.08/x - Step 3: Cross multiply
311,368.94x = 466,690.50 × 142,907.08 - Step 4: Simplify right side
311,368.94x = 66,693,376,618.74 - Step 5: Solve for x
x = 66,693,376,618.74/311,368.94 - Step 6: Final answer
x = 214,194.06
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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.