Finding the Fourth Proportional to 125,553.09, 188,329.95 and 30,783.70
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Solution
The fourth proportional to 125,553.09, 188,329.95 and 30,783.70 is: 46,175.63
Step by Step Solution
- Step 1: Write the proportion equation
125,553.09 : 188,329.95 = 30,783.70 : x - Step 2: Convert to fraction form
125,553.09/188,329.95 = 30,783.70/x - Step 3: Cross multiply
125,553.09x = 188,329.95 × 30,783.70 - Step 4: Simplify right side
125,553.09x = 5,797,492,681.82 - Step 5: Solve for x
x = 5,797,492,681.82/125,553.09 - Step 6: Final answer
x = 46,175.63
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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.