Finding the Fourth Proportional to 118,209.50, 177,214.46 and 54,996.99
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Solution
The fourth proportional to 118,209.50, 177,214.46 and 54,996.99 is: 82,449.05
Step by Step Solution
- Step 1: Write the proportion equation
118,209.50 : 177,214.46 = 54,996.99 : x - Step 2: Convert to fraction form
118,209.50/177,214.46 = 54,996.99/x - Step 3: Cross multiply
118,209.50x = 177,214.46 × 54,996.99 - Step 4: Simplify right side
118,209.50x = 9,746,261,609.49 - Step 5: Solve for x
x = 9,746,261,609.49/118,209.50 - Step 6: Final answer
x = 82,449.05
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1.5x scale
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.