Finding the Fourth Proportional to 162,213.66, 222,228.99 and 156,148.99
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Solution
The fourth proportional to 162,213.66, 222,228.99 and 156,148.99 is: 213,920.53
Step by Step Solution
- Step 1: Write the proportion equation
162,213.66 : 222,228.99 = 156,148.99 : x - Step 2: Convert to fraction form
162,213.66/222,228.99 = 156,148.99/x - Step 3: Cross multiply
162,213.66x = 222,228.99 × 156,148.99 - Step 4: Simplify right side
162,213.66x = 34,700,832,337.22 - Step 5: Solve for x
x = 34,700,832,337.22/162,213.66 - Step 6: Final answer
x = 213,920.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.