Finding the Fourth Proportional to 162,211.99, 243,405.12 and 67,507.46
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Solution
The fourth proportional to 162,211.99, 243,405.12 and 67,507.46 is: 101,297.45
Step by Step Solution
- Step 1: Write the proportion equation
162,211.99 : 243,405.12 = 67,507.46 : x - Step 2: Convert to fraction form
162,211.99/243,405.12 = 67,507.46/x - Step 3: Cross multiply
162,211.99x = 243,405.12 × 67,507.46 - Step 4: Simplify right side
162,211.99x = 16,431,661,402.20 - Step 5: Solve for x
x = 16,431,661,402.20/162,211.99 - Step 6: Final answer
x = 101,297.45
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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.