Finding the Fourth Proportional to 170,238.80, 234,920.36 and 93,743.12
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Solution
The fourth proportional to 170,238.80, 234,920.36 and 93,743.12 is: 129,360.45
Step by Step Solution
- Step 1: Write the proportion equation
170,238.80 : 234,920.36 = 93,743.12 : x - Step 2: Convert to fraction form
170,238.80/234,920.36 = 93,743.12/x - Step 3: Cross multiply
170,238.80x = 234,920.36 × 93,743.12 - Step 4: Simplify right side
170,238.80x = 22,022,167,497.92 - Step 5: Solve for x
x = 22,022,167,497.92/170,238.80 - Step 6: Final answer
x = 129,360.45
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1.5x scale
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.