Finding the Fourth Proportional to 620,896.92, 931,319.43 and 177,664.92
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Solution
The fourth proportional to 620,896.92, 931,319.43 and 177,664.92 is: 266,489.95
Step by Step Solution
- Step 1: Write the proportion equation
620,896.92 : 931,319.43 = 177,664.92 : x - Step 2: Convert to fraction form
620,896.92/931,319.43 = 177,664.92/x - Step 3: Cross multiply
620,896.92x = 931,319.43 × 177,664.92 - Step 4: Simplify right side
620,896.92x = 165,462,792,025.40 - Step 5: Solve for x
x = 165,462,792,025.40/620,896.92 - Step 6: Final answer
x = 266,489.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.