Finding the Fourth Proportional to 229,471.12, 316,704.36 and 180,961.84
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Solution
The fourth proportional to 229,471.12, 316,704.36 and 180,961.84 is: 249,754.32
Step by Step Solution
- Step 1: Write the proportion equation
229,471.12 : 316,704.36 = 180,961.84 : x - Step 2: Convert to fraction form
229,471.12/316,704.36 = 180,961.84/x - Step 3: Cross multiply
229,471.12x = 316,704.36 × 180,961.84 - Step 4: Simplify right side
229,471.12x = 57,311,403,721.62 - Step 5: Solve for x
x = 57,311,403,721.62/229,471.12 - Step 6: Final answer
x = 249,754.32
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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.