Finding the Fourth Proportional to 245,148.85, 366,932.30 and 126,657.19
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Solution
The fourth proportional to 245,148.85, 366,932.30 and 126,657.19 is: 189,577.12
Step by Step Solution
- Step 1: Write the proportion equation
245,148.85 : 366,932.30 = 126,657.19 : x - Step 2: Convert to fraction form
245,148.85/366,932.30 = 126,657.19/x - Step 3: Cross multiply
245,148.85x = 366,932.30 × 126,657.19 - Step 4: Simplify right side
245,148.85x = 46,474,614,038.24 - Step 5: Solve for x
x = 46,474,614,038.24/245,148.85 - Step 6: Final answer
x = 189,577.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.