Finding the Fourth Proportional to 438,738.52, 658,453.98 and 225,497.92
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Solution
The fourth proportional to 438,738.52, 658,453.98 and 225,497.92 is: 338,424.82
Step by Step Solution
- Step 1: Write the proportion equation
438,738.52 : 658,453.98 = 225,497.92 : x - Step 2: Convert to fraction form
438,738.52/658,453.98 = 225,497.92/x - Step 3: Cross multiply
438,738.52x = 658,453.98 × 225,497.92 - Step 4: Simplify right side
438,738.52x = 148,480,002,905.72 - Step 5: Solve for x
x = 148,480,002,905.72/438,738.52 - Step 6: Final answer
x = 338,424.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.