Finding the Fourth Proportional to 170,214.20, 234,893.61 and 93,731.70
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Solution
The fourth proportional to 170,214.20, 234,893.61 and 93,731.70 is: 129,348.65
Step by Step Solution
- Step 1: Write the proportion equation
170,214.20 : 234,893.61 = 93,731.70 : x - Step 2: Convert to fraction form
170,214.20/234,893.61 = 93,731.70/x - Step 3: Cross multiply
170,214.20x = 234,893.61 × 93,731.70 - Step 4: Simplify right side
170,214.20x = 22,016,977,384.44 - Step 5: Solve for x
x = 22,016,977,384.44/170,214.20 - Step 6: Final answer
x = 129,348.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.