Finding the Fourth Proportional to 382,538.07, 527,901.12 and 212,772.19
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Solution
The fourth proportional to 382,538.07, 527,901.12 and 212,772.19 is: 293,624.83
Step by Step Solution
- Step 1: Write the proportion equation
382,538.07 : 527,901.12 = 212,772.19 : x - Step 2: Convert to fraction form
382,538.07/527,901.12 = 212,772.19/x - Step 3: Cross multiply
382,538.07x = 527,901.12 × 212,772.19 - Step 4: Simplify right side
382,538.07x = 112,322,677,405.85 - Step 5: Solve for x
x = 112,322,677,405.85/382,538.07 - Step 6: Final answer
x = 293,624.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.