Finding the Fourth Proportional to 318,806.92, 478,099.14 and 94,107.88
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Solution
The fourth proportional to 318,806.92, 478,099.14 and 94,107.88 is: 141,128.98
Step by Step Solution
- Step 1: Write the proportion equation
318,806.92 : 478,099.14 = 94,107.88 : x - Step 2: Convert to fraction form
318,806.92/478,099.14 = 94,107.88/x - Step 3: Cross multiply
318,806.92x = 478,099.14 × 94,107.88 - Step 4: Simplify right side
318,806.92x = 44,992,896,495.22 - Step 5: Solve for x
x = 44,992,896,495.22/318,806.92 - Step 6: Final answer
x = 141,128.98
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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.