Finding the Fourth Proportional to 219,313.40, 328,532.70 and 125,709.80
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Solution
The fourth proportional to 219,313.40, 328,532.70 and 125,709.80 is: 188,313.98
Step by Step Solution
- Step 1: Write the proportion equation
219,313.40 : 328,532.70 = 125,709.80 : x - Step 2: Convert to fraction form
219,313.40/328,532.70 = 125,709.80/x - Step 3: Cross multiply
219,313.40x = 328,532.70 × 125,709.80 - Step 4: Simplify right side
219,313.40x = 41,299,780,010.46 - Step 5: Solve for x
x = 41,299,780,010.46/219,313.40 - Step 6: Final answer
x = 188,313.98
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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.