Finding the Fourth Proportional to 164,777.70, 247,166.55 and 161,861.70
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Solution
The fourth proportional to 164,777.70, 247,166.55 and 161,861.70 is: 242,792.55
Step by Step Solution
- Step 1: Write the proportion equation
164,777.70 : 247,166.55 = 161,861.70 : x - Step 2: Convert to fraction form
164,777.70/247,166.55 = 161,861.70/x - Step 3: Cross multiply
164,777.70x = 247,166.55 × 161,861.70 - Step 4: Simplify right side
164,777.70x = 40,006,797,966.14 - Step 5: Solve for x
x = 40,006,797,966.14/164,777.70 - Step 6: Final answer
x = 242,792.55
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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.