Finding the Fourth Proportional to 173,438.70, 260,158.05 and 48,779.70
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Solution
The fourth proportional to 173,438.70, 260,158.05 and 48,779.70 is: 73,169.55
Step by Step Solution
- Step 1: Write the proportion equation
173,438.70 : 260,158.05 = 48,779.70 : x - Step 2: Convert to fraction form
173,438.70/260,158.05 = 48,779.70/x - Step 3: Cross multiply
173,438.70x = 260,158.05 × 48,779.70 - Step 4: Simplify right side
173,438.70x = 12,690,431,631.59 - Step 5: Solve for x
x = 12,690,431,631.59/173,438.70 - Step 6: Final answer
x = 73,169.55
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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.