Finding the Fourth Proportional to 142,842.26, 214,266.42 and 48,075.32
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Solution
The fourth proportional to 142,842.26, 214,266.42 and 48,075.32 is: 72,113.99
Step by Step Solution
- Step 1: Write the proportion equation
142,842.26 : 214,266.42 = 48,075.32 : x - Step 2: Convert to fraction form
142,842.26/214,266.42 = 48,075.32/x - Step 3: Cross multiply
142,842.26x = 214,266.42 × 48,075.32 - Step 4: Simplify right side
142,842.26x = 10,300,925,635.42 - Step 5: Solve for x
x = 10,300,925,635.42/142,842.26 - Step 6: Final answer
x = 72,113.99
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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.