Finding the Fourth Proportional to 268,954.60, 371,160.11 and 148,107.12
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Solution
The fourth proportional to 268,954.60, 371,160.11 and 148,107.12 is: 204,389.35
Step by Step Solution
- Step 1: Write the proportion equation
268,954.60 : 371,160.11 = 148,107.12 : x - Step 2: Convert to fraction form
268,954.60/371,160.11 = 148,107.12/x - Step 3: Cross multiply
268,954.60x = 371,160.11 × 148,107.12 - Step 4: Simplify right side
268,954.60x = 54,971,454,950.98 - Step 5: Solve for x
x = 54,971,454,950.98/268,954.60 - Step 6: Final answer
x = 204,389.35
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1.5x scale
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.