Finding the Fourth Proportional to 477,415.19, 658,839.47 and 273,465.96
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Solution
The fourth proportional to 477,415.19, 658,839.47 and 273,465.96 is: 377,386.75
Step by Step Solution
- Step 1: Write the proportion equation
477,415.19 : 658,839.47 = 273,465.96 : x - Step 2: Convert to fraction form
477,415.19/658,839.47 = 273,465.96/x - Step 3: Cross multiply
477,415.19x = 658,839.47 × 273,465.96 - Step 4: Simplify right side
477,415.19x = 180,170,166,782.11 - Step 5: Solve for x
x = 180,170,166,782.11/477,415.19 - Step 6: Final answer
x = 377,386.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.