Finding the Fourth Proportional to 174,650.20, 261,975.30 and 145,125.70
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Solution
The fourth proportional to 174,650.20, 261,975.30 and 145,125.70 is: 217,688.55
Step by Step Solution
- Step 1: Write the proportion equation
174,650.20 : 261,975.30 = 145,125.70 : x - Step 2: Convert to fraction form
174,650.20/261,975.30 = 145,125.70/x - Step 3: Cross multiply
174,650.20x = 261,975.30 × 145,125.70 - Step 4: Simplify right side
174,650.20x = 38,019,348,795.21 - Step 5: Solve for x
x = 38,019,348,795.21/174,650.20 - Step 6: Final answer
x = 217,688.55
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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.