Finding the Fourth Proportional to 209,762.62, 314,522.43 and 143,283.08
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Solution
The fourth proportional to 209,762.62, 314,522.43 and 143,283.08 is: 214,841.63
Step by Step Solution
- Step 1: Write the proportion equation
209,762.62 : 314,522.43 = 143,283.08 : x - Step 2: Convert to fraction form
209,762.62/314,522.43 = 143,283.08/x - Step 3: Cross multiply
209,762.62x = 314,522.43 × 143,283.08 - Step 4: Simplify right side
209,762.62x = 45,065,742,748.48 - Step 5: Solve for x
x = 45,065,742,748.48/209,762.62 - Step 6: Final answer
x = 214,841.63
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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.