Finding the Fourth Proportional to 311,718.21, 430,162.50 and 175,750.95
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Solution
The fourth proportional to 311,718.21, 430,162.50 and 175,750.95 is: 242,531.44
Step by Step Solution
- Step 1: Write the proportion equation
311,718.21 : 430,162.50 = 175,750.95 : x - Step 2: Convert to fraction form
311,718.21/430,162.50 = 175,750.95/x - Step 3: Cross multiply
311,718.21x = 430,162.50 × 175,750.95 - Step 4: Simplify right side
311,718.21x = 75,601,466,893.29 - Step 5: Solve for x
x = 75,601,466,893.29/311,718.21 - Step 6: Final answer
x = 242,531.44
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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.