Finding the Fourth Proportional to 312,480.88, 468,624.57 and 112,775.98
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Solution
The fourth proportional to 312,480.88, 468,624.57 and 112,775.98 is: 169,129.06
Step by Step Solution
- Step 1: Write the proportion equation
312,480.88 : 468,624.57 = 112,775.98 : x - Step 2: Convert to fraction form
312,480.88/468,624.57 = 112,775.98/x - Step 3: Cross multiply
312,480.88x = 468,624.57 × 112,775.98 - Step 4: Simplify right side
312,480.88x = 52,849,595,133.83 - Step 5: Solve for x
x = 52,849,595,133.83/312,480.88 - Step 6: Final answer
x = 169,129.06
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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.