Finding the Fourth Proportional to 357,770.46, 536,650.11 and 91,528.68
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Solution
The fourth proportional to 357,770.46, 536,650.11 and 91,528.68 is: 137,291.59
Step by Step Solution
- Step 1: Write the proportion equation
357,770.46 : 536,650.11 = 91,528.68 : x - Step 2: Convert to fraction form
357,770.46/536,650.11 = 91,528.68/x - Step 3: Cross multiply
357,770.46x = 536,650.11 × 91,528.68 - Step 4: Simplify right side
357,770.46x = 49,118,876,190.15 - Step 5: Solve for x
x = 49,118,876,190.15/357,770.46 - Step 6: Final answer
x = 137,291.59
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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.