Finding the Fourth Proportional to 118,241.80, 177,364.26 and 39,356.04
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Solution
The fourth proportional to 118,241.80, 177,364.26 and 39,356.04 is: 59,034.58
Step by Step Solution
- Step 1: Write the proportion equation
118,241.80 : 177,364.26 = 39,356.04 : x - Step 2: Convert to fraction form
118,241.80/177,364.26 = 39,356.04/x - Step 3: Cross multiply
118,241.80x = 177,364.26 × 39,356.04 - Step 4: Simplify right side
118,241.80x = 6,980,354,911.13 - Step 5: Solve for x
x = 6,980,354,911.13/118,241.80 - Step 6: Final answer
x = 59,034.58
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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.