Finding the Fourth Proportional to 168,451.80, 252,675.52 and 48,511.68
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Solution
The fourth proportional to 168,451.80, 252,675.52 and 48,511.68 is: 72,766.89
Step by Step Solution
- Step 1: Write the proportion equation
168,451.80 : 252,675.52 = 48,511.68 : x - Step 2: Convert to fraction form
168,451.80/252,675.52 = 48,511.68/x - Step 3: Cross multiply
168,451.80x = 252,675.52 × 48,511.68 - Step 4: Simplify right side
168,451.80x = 12,257,713,970.07 - Step 5: Solve for x
x = 12,257,713,970.07/168,451.80 - Step 6: Final answer
x = 72,766.89
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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.