Finding the Fourth Proportional to 221,669.87, 332,551.57 and 71,898.53
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Solution
The fourth proportional to 221,669.87, 332,551.57 and 71,898.53 is: 107,862.96
Step by Step Solution
- Step 1: Write the proportion equation
221,669.87 : 332,551.57 = 71,898.53 : x - Step 2: Convert to fraction form
221,669.87/332,551.57 = 71,898.53/x - Step 3: Cross multiply
221,669.87x = 332,551.57 × 71,898.53 - Step 4: Simplify right side
221,669.87x = 23,909,968,672.70 - Step 5: Solve for x
x = 23,909,968,672.70/221,669.87 - Step 6: Final answer
x = 107,862.96
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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.