Finding the Fourth Proportional to 421,836.40, 632,655.24 and 122,237.92
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Solution
The fourth proportional to 421,836.40, 632,655.24 and 122,237.92 is: 183,328.09
Step by Step Solution
- Step 1: Write the proportion equation
421,836.40 : 632,655.24 = 122,237.92 : x - Step 2: Convert to fraction form
421,836.40/632,655.24 = 122,237.92/x - Step 3: Cross multiply
421,836.40x = 632,655.24 × 122,237.92 - Step 4: Simplify right side
421,836.40x = 77,334,460,614.70 - Step 5: Solve for x
x = 77,334,460,614.70/421,836.40 - Step 6: Final answer
x = 183,328.09
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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.