Finding the Fourth Proportional to 386,474.11, 579,750.93 and 133,754.16
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Solution
The fourth proportional to 386,474.11, 579,750.93 and 133,754.16 is: 200,644.99
Step by Step Solution
- Step 1: Write the proportion equation
386,474.11 : 579,750.93 = 133,754.16 : x - Step 2: Convert to fraction form
386,474.11/579,750.93 = 133,754.16/x - Step 3: Cross multiply
386,474.11x = 579,750.93 × 133,754.16 - Step 4: Simplify right side
386,474.11x = 77,544,095,752.61 - Step 5: Solve for x
x = 77,544,095,752.61/386,474.11 - Step 6: Final answer
x = 200,644.99
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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.