Finding the Fourth Proportional to 251,839.87, 377,669.07 and 83,329.09
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Solution
The fourth proportional to 251,839.87, 377,669.07 and 83,329.09 is: 124,963.61
Step by Step Solution
- Step 1: Write the proportion equation
251,839.87 : 377,669.07 = 83,329.09 : x - Step 2: Convert to fraction form
251,839.87/377,669.07 = 83,329.09/x - Step 3: Cross multiply
251,839.87x = 377,669.07 × 83,329.09 - Step 4: Simplify right side
251,839.87x = 31,470,819,924.25 - Step 5: Solve for x
x = 31,470,819,924.25/251,839.87 - Step 6: Final answer
x = 124,963.61
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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.