Finding the Fourth Proportional to 141,463.84, 212,195.76 and 57,261.28
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Solution
The fourth proportional to 141,463.84, 212,195.76 and 57,261.28 is: 85,891.92
Step by Step Solution
- Step 1: Write the proportion equation
141,463.84 : 212,195.76 = 57,261.28 : x - Step 2: Convert to fraction form
141,463.84/212,195.76 = 57,261.28/x - Step 3: Cross multiply
141,463.84x = 212,195.76 × 57,261.28 - Step 4: Simplify right side
141,463.84x = 12,150,600,828.17 - Step 5: Solve for x
x = 12,150,600,828.17/141,463.84 - Step 6: Final answer
x = 85,891.92
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1.5x scale
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.