Finding the Fourth Proportional to 118,267.77, 177,429.90 and 39,382.68
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Solution
The fourth proportional to 118,267.77, 177,429.90 and 39,382.68 is: 59,083.43
Step by Step Solution
- Step 1: Write the proportion equation
118,267.77 : 177,429.90 = 39,382.68 : x - Step 2: Convert to fraction form
118,267.77/177,429.90 = 39,382.68/x - Step 3: Cross multiply
118,267.77x = 177,429.90 × 39,382.68 - Step 4: Simplify right side
118,267.77x = 6,987,664,974.13 - Step 5: Solve for x
x = 6,987,664,974.13/118,267.77 - Step 6: Final answer
x = 59,083.43
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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.