Finding the Fourth Proportional to 170,391.26, 235,130.36 and 93,910.12
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Solution
The fourth proportional to 170,391.26, 235,130.36 and 93,910.12 is: 129,590.68
Step by Step Solution
- Step 1: Write the proportion equation
170,391.26 : 235,130.36 = 93,910.12 : x - Step 2: Convert to fraction form
170,391.26/235,130.36 = 93,910.12/x - Step 3: Cross multiply
170,391.26x = 235,130.36 × 93,910.12 - Step 4: Simplify right side
170,391.26x = 22,081,119,265.87 - Step 5: Solve for x
x = 22,081,119,265.87/170,391.26 - Step 6: Final answer
x = 129,590.68
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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.