Finding the Fourth Proportional to 394,952.44, 592,490.18 and 128,651.02
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Solution
The fourth proportional to 394,952.44, 592,490.18 and 128,651.02 is: 192,996.57
Step by Step Solution
- Step 1: Write the proportion equation
394,952.44 : 592,490.18 = 128,651.02 : x - Step 2: Convert to fraction form
394,952.44/592,490.18 = 128,651.02/x - Step 3: Cross multiply
394,952.44x = 592,490.18 × 128,651.02 - Step 4: Simplify right side
394,952.44x = 76,224,465,996.98 - Step 5: Solve for x
x = 76,224,465,996.98/394,952.44 - Step 6: Final answer
x = 192,996.57
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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.