Finding the Fourth Proportional to 328,902.60, 493,051.50 and 118,489.08
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Solution
The fourth proportional to 328,902.60, 493,051.50 and 118,489.08 is: 177,624.68
Step by Step Solution
- Step 1: Write the proportion equation
328,902.60 : 493,051.50 = 118,489.08 : x - Step 2: Convert to fraction form
328,902.60/493,051.50 = 118,489.08/x - Step 3: Cross multiply
328,902.60x = 493,051.50 × 118,489.08 - Step 4: Simplify right side
328,902.60x = 58,421,218,627.62 - Step 5: Solve for x
x = 58,421,218,627.62/328,902.60 - Step 6: Final answer
x = 177,624.68
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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.