Finding the Fourth Proportional to 303,352.40, 455,028.80 and 125,811.74
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Solution
The fourth proportional to 303,352.40, 455,028.80 and 125,811.74 is: 188,717.69
Step by Step Solution
- Step 1: Write the proportion equation
303,352.40 : 455,028.80 = 125,811.74 : x - Step 2: Convert to fraction form
303,352.40/455,028.80 = 125,811.74/x - Step 3: Cross multiply
303,352.40x = 455,028.80 × 125,811.74 - Step 4: Simplify right side
303,352.40x = 57,247,962,173.91 - Step 5: Solve for x
x = 57,247,962,173.91/303,352.40 - Step 6: Final answer
x = 188,717.69
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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.