Finding the Fourth Proportional to 97,932.70, 146,909.63 and 41,778.75
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Solution
The fourth proportional to 97,932.70, 146,909.63 and 41,778.75 is: 62,672.64
Step by Step Solution
- Step 1: Write the proportion equation
97,932.70 : 146,909.63 = 41,778.75 : x - Step 2: Convert to fraction form
97,932.70/146,909.63 = 41,778.75/x - Step 3: Cross multiply
97,932.70x = 146,909.63 × 41,778.75 - Step 4: Simplify right side
97,932.70x = 6,137,700,704.36 - Step 5: Solve for x
x = 6,137,700,704.36/97,932.70 - Step 6: Final answer
x = 62,672.64
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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.