Finding the Fourth Proportional to 477,502.18, 658,939.12 and 262,642.19
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Solution
The fourth proportional to 477,502.18, 658,939.12 and 262,642.19 is: 362,438.58
Step by Step Solution
- Step 1: Write the proportion equation
477,502.18 : 658,939.12 = 262,642.19 : x - Step 2: Convert to fraction form
477,502.18/658,939.12 = 262,642.19/x - Step 3: Cross multiply
477,502.18x = 658,939.12 × 262,642.19 - Step 4: Simplify right side
477,502.18x = 173,065,214,786.07 - Step 5: Solve for x
x = 173,065,214,786.07/477,502.18 - Step 6: Final answer
x = 362,438.58
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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.