Finding the Fourth Proportional to 393,729.99, 590,681.12 and 127,517.42
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Solution
The fourth proportional to 393,729.99, 590,681.12 and 127,517.42 is: 191,304.02
Step by Step Solution
- Step 1: Write the proportion equation
393,729.99 : 590,681.12 = 127,517.42 : x - Step 2: Convert to fraction form
393,729.99/590,681.12 = 127,517.42/x - Step 3: Cross multiply
393,729.99x = 590,681.12 × 127,517.42 - Step 4: Simplify right side
393,729.99x = 75,322,128,874.12 - Step 5: Solve for x
x = 75,322,128,874.12/393,729.99 - Step 6: Final answer
x = 191,304.02
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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.