Finding the Fourth Proportional to 168,734.10, 253,137.60 and 50,417.40
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Solution
The fourth proportional to 168,734.10, 253,137.60 and 50,417.40 is: 75,636.99
Step by Step Solution
- Step 1: Write the proportion equation
168,734.10 : 253,137.60 = 50,417.40 : x - Step 2: Convert to fraction form
168,734.10/253,137.60 = 50,417.40/x - Step 3: Cross multiply
168,734.10x = 253,137.60 × 50,417.40 - Step 4: Simplify right side
168,734.10x = 12,762,539,634.24 - Step 5: Solve for x
x = 12,762,539,634.24/168,734.10 - Step 6: Final answer
x = 75,636.99
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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.