Finding the Fourth Proportional to 528,120.21, 791,863.92 and 168,135.54
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Solution
The fourth proportional to 528,120.21, 791,863.92 and 168,135.54 is: 252,102.58
Step by Step Solution
- Step 1: Write the proportion equation
528,120.21 : 791,863.92 = 168,135.54 : x - Step 2: Convert to fraction form
528,120.21/791,863.92 = 168,135.54/x - Step 3: Cross multiply
528,120.21x = 791,863.92 × 168,135.54 - Step 4: Simplify right side
528,120.21x = 133,140,467,795.72 - Step 5: Solve for x
x = 133,140,467,795.72/528,120.21 - Step 6: Final answer
x = 252,102.58
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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.