Finding the Fourth Proportional to 288,460.84, 398,075.97 and 161,136.46
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Solution
The fourth proportional to 288,460.84, 398,075.97 and 161,136.46 is: 222,368.32
Step by Step Solution
- Step 1: Write the proportion equation
288,460.84 : 398,075.97 = 161,136.46 : x - Step 2: Convert to fraction form
288,460.84/398,075.97 = 161,136.46/x - Step 3: Cross multiply
288,460.84x = 398,075.97 × 161,136.46 - Step 4: Simplify right side
288,460.84x = 64,144,552,616.87 - Step 5: Solve for x
x = 64,144,552,616.87/288,460.84 - Step 6: Final answer
x = 222,368.32
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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.