Finding the Fourth Proportional to 170,391.20, 235,141.44 and 93,913.08
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Solution
The fourth proportional to 170,391.20, 235,141.44 and 93,913.08 is: 129,600.92
Step by Step Solution
- Step 1: Write the proportion equation
170,391.20 : 235,141.44 = 93,913.08 : x - Step 2: Convert to fraction form
170,391.20/235,141.44 = 93,913.08/x - Step 3: Cross multiply
170,391.20x = 235,141.44 × 93,913.08 - Step 4: Simplify right side
170,391.20x = 22,082,856,866.04 - Step 5: Solve for x
x = 22,082,856,866.04/170,391.20 - Step 6: Final answer
x = 129,600.92
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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.