Finding the Fourth Proportional to 172,170.63, 258,270.80 and 47,511.63
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Solution
The fourth proportional to 172,170.63, 258,270.80 and 47,511.63 is: 71,271.54
Step by Step Solution
- Step 1: Write the proportion equation
172,170.63 : 258,270.80 = 47,511.63 : x - Step 2: Convert to fraction form
172,170.63/258,270.80 = 47,511.63/x - Step 3: Cross multiply
172,170.63x = 258,270.80 × 47,511.63 - Step 4: Simplify right side
172,170.63x = 12,270,866,451.85 - Step 5: Solve for x
x = 12,270,866,451.85/172,170.63 - Step 6: Final answer
x = 71,271.54
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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.