Finding the Fourth Proportional to 170,129.37, 254,898.18 and 119,420.76
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Solution
The fourth proportional to 170,129.37, 254,898.18 and 119,420.76 is: 178,923.45
Step by Step Solution
- Step 1: Write the proportion equation
170,129.37 : 254,898.18 = 119,420.76 : x - Step 2: Convert to fraction form
170,129.37/254,898.18 = 119,420.76/x - Step 3: Cross multiply
170,129.37x = 254,898.18 × 119,420.76 - Step 4: Simplify right side
170,129.37x = 30,440,134,378.22 - Step 5: Solve for x
x = 30,440,134,378.22/170,129.37 - Step 6: Final answer
x = 178,923.45
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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.