Finding the Fourth Proportional to 498,976.80, 748,998.09 and 214,808.10
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Solution
The fourth proportional to 498,976.80, 748,998.09 and 214,808.10 is: 322,441.56
Step by Step Solution
- Step 1: Write the proportion equation
498,976.80 : 748,998.09 = 214,808.10 : x - Step 2: Convert to fraction form
498,976.80/748,998.09 = 214,808.10/x - Step 3: Cross multiply
498,976.80x = 748,998.09 × 214,808.10 - Step 4: Simplify right side
498,976.80x = 160,890,856,616.53 - Step 5: Solve for x
x = 160,890,856,616.53/498,976.80 - Step 6: Final answer
x = 322,441.56
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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.