Finding the Fourth Proportional to 378,743.76, 568,017.81 and 112,444.02
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Solution
The fourth proportional to 378,743.76, 568,017.81 and 112,444.02 is: 168,636.99
Step by Step Solution
- Step 1: Write the proportion equation
378,743.76 : 568,017.81 = 112,444.02 : x - Step 2: Convert to fraction form
378,743.76/568,017.81 = 112,444.02/x - Step 3: Cross multiply
378,743.76x = 568,017.81 × 112,444.02 - Step 4: Simplify right side
378,743.76x = 63,870,205,988.00 - Step 5: Solve for x
x = 63,870,205,988.00/378,743.76 - Step 6: Final answer
x = 168,636.99
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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.