Finding the Fourth Proportional to 162,440.07, 243,496.49 and 67,722.68
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Solution
The fourth proportional to 162,440.07, 243,496.49 and 67,722.68 is: 101,515.80
Step by Step Solution
- Step 1: Write the proportion equation
162,440.07 : 243,496.49 = 67,722.68 : x - Step 2: Convert to fraction form
162,440.07/243,496.49 = 67,722.68/x - Step 3: Cross multiply
162,440.07x = 243,496.49 × 67,722.68 - Step 4: Simplify right side
162,440.07x = 16,490,233,317.30 - Step 5: Solve for x
x = 16,490,233,317.30/162,440.07 - Step 6: Final answer
x = 101,515.80
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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.