Finding the Fourth Proportional to 325,909.12, 488,770.26 and 98,226.79
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Solution
The fourth proportional to 325,909.12, 488,770.26 and 98,226.79 is: 147,312.03
Step by Step Solution
- Step 1: Write the proportion equation
325,909.12 : 488,770.26 = 98,226.79 : x - Step 2: Convert to fraction form
325,909.12/488,770.26 = 98,226.79/x - Step 3: Cross multiply
325,909.12x = 488,770.26 × 98,226.79 - Step 4: Simplify right side
325,909.12x = 48,010,333,474.98 - Step 5: Solve for x
x = 48,010,333,474.98/325,909.12 - Step 6: Final answer
x = 147,312.03
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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.