Finding the Fourth Proportional to 162,717.18, 243,142.86 and 124,034.70
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Solution
The fourth proportional to 162,717.18, 243,142.86 and 124,034.70 is: 185,340.92
Step by Step Solution
- Step 1: Write the proportion equation
162,717.18 : 243,142.86 = 124,034.70 : x - Step 2: Convert to fraction form
162,717.18/243,142.86 = 124,034.70/x - Step 3: Cross multiply
162,717.18x = 243,142.86 × 124,034.70 - Step 4: Simplify right side
162,717.18x = 30,158,151,697.24 - Step 5: Solve for x
x = 30,158,151,697.24/162,717.18 - Step 6: Final answer
x = 185,340.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.