Finding the Fourth Proportional to 198,668.16, 274,165.47 and 108,024.74
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Solution
The fourth proportional to 198,668.16, 274,165.47 and 108,024.74 is: 149,075.99
Step by Step Solution
- Step 1: Write the proportion equation
198,668.16 : 274,165.47 = 108,024.74 : x - Step 2: Convert to fraction form
198,668.16/274,165.47 = 108,024.74/x - Step 3: Cross multiply
198,668.16x = 274,165.47 × 108,024.74 - Step 4: Simplify right side
198,668.16x = 29,616,652,242.90 - Step 5: Solve for x
x = 29,616,652,242.90/198,668.16 - Step 6: Final answer
x = 149,075.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.