Finding the Fourth Proportional to 393,837.10, 590,536.95 and 156,912.10
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Solution
The fourth proportional to 393,837.10, 590,536.95 and 156,912.10 is: 235,281.02
Step by Step Solution
- Step 1: Write the proportion equation
393,837.10 : 590,536.95 = 156,912.10 : x - Step 2: Convert to fraction form
393,837.10/590,536.95 = 156,912.10/x - Step 3: Cross multiply
393,837.10x = 590,536.95 × 156,912.10 - Step 4: Simplify right side
393,837.10x = 92,662,392,952.10 - Step 5: Solve for x
x = 92,662,392,952.10/393,837.10 - Step 6: Final answer
x = 235,281.02
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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.