Finding the Fourth Proportional to 170,390.63, 235,129.46 and 93,909.48
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Solution
The fourth proportional to 170,390.63, 235,129.46 and 93,909.48 is: 129,589.79
Step by Step Solution
- Step 1: Write the proportion equation
170,390.63 : 235,129.46 = 93,909.48 : x - Step 2: Convert to fraction form
170,390.63/235,129.46 = 93,909.48/x - Step 3: Cross multiply
170,390.63x = 235,129.46 × 93,909.48 - Step 4: Simplify right side
170,390.63x = 22,080,885,321.28 - Step 5: Solve for x
x = 22,080,885,321.28/170,390.63 - Step 6: Final answer
x = 129,589.79
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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.