Finding the Fourth Proportional to 118,452.87, 177,671.99 and 39,560.49
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Solution
The fourth proportional to 118,452.87, 177,671.99 and 39,560.49 is: 59,338.29
Step by Step Solution
- Step 1: Write the proportion equation
118,452.87 : 177,671.99 = 39,560.49 : x - Step 2: Convert to fraction form
118,452.87/177,671.99 = 39,560.49/x - Step 3: Cross multiply
118,452.87x = 177,671.99 × 39,560.49 - Step 4: Simplify right side
118,452.87x = 7,028,790,785.87 - Step 5: Solve for x
x = 7,028,790,785.87/118,452.87 - Step 6: Final answer
x = 59,338.29
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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.