Finding the Fourth Proportional to 162,042.26, 243,148.74 and 83,156.48
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Solution
The fourth proportional to 162,042.26, 243,148.74 and 83,156.48 is: 124,778.52
Step by Step Solution
- Step 1: Write the proportion equation
162,042.26 : 243,148.74 = 83,156.48 : x - Step 2: Convert to fraction form
162,042.26/243,148.74 = 83,156.48/x - Step 3: Cross multiply
162,042.26x = 243,148.74 × 83,156.48 - Step 4: Simplify right side
162,042.26x = 20,219,393,334.84 - Step 5: Solve for x
x = 20,219,393,334.84/162,042.26 - Step 6: Final answer
x = 124,778.52
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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.