Finding the Fourth Proportional to 170,470.26, 235,276.68 and 102,555.88
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Solution
The fourth proportional to 170,470.26, 235,276.68 and 102,555.88 is: 141,543.79
Step by Step Solution
- Step 1: Write the proportion equation
170,470.26 : 235,276.68 = 102,555.88 : x - Step 2: Convert to fraction form
170,470.26/235,276.68 = 102,555.88/x - Step 3: Cross multiply
170,470.26x = 235,276.68 × 102,555.88 - Step 4: Simplify right side
170,470.26x = 24,129,006,960.88 - Step 5: Solve for x
x = 24,129,006,960.88/170,470.26 - Step 6: Final answer
x = 141,543.79
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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.