Finding the Fourth Proportional to 121,657.87, 182,492.88 and 46,751.77
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Solution
The fourth proportional to 121,657.87, 182,492.88 and 46,751.77 is: 70,129.99
Step by Step Solution
- Step 1: Write the proportion equation
121,657.87 : 182,492.88 = 46,751.77 : x - Step 2: Convert to fraction form
121,657.87/182,492.88 = 46,751.77/x - Step 3: Cross multiply
121,657.87x = 182,492.88 × 46,751.77 - Step 4: Simplify right side
121,657.87x = 8,531,865,152.40 - Step 5: Solve for x
x = 8,531,865,152.40/121,657.87 - Step 6: Final answer
x = 70,129.99
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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.