Finding the Fourth Proportional to 268,954.10, 371,159.41 and 148,106.62
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Solution
The fourth proportional to 268,954.10, 371,159.41 and 148,106.62 is: 204,388.65
Step by Step Solution
- Step 1: Write the proportion equation
268,954.10 : 371,159.41 = 148,106.62 : x - Step 2: Convert to fraction form
268,954.10/371,159.41 = 148,106.62/x - Step 3: Cross multiply
268,954.10x = 371,159.41 × 148,106.62 - Step 4: Simplify right side
268,954.10x = 54,971,165,696.29 - Step 5: Solve for x
x = 54,971,165,696.29/268,954.10 - Step 6: Final answer
x = 204,388.65
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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.