Finding the Fourth Proportional to 162,373.84, 243,167.12 and 112,313.44
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Solution
The fourth proportional to 162,373.84, 243,167.12 and 112,313.44 is: 168,197.88
Step by Step Solution
- Step 1: Write the proportion equation
162,373.84 : 243,167.12 = 112,313.44 : x - Step 2: Convert to fraction form
162,373.84/243,167.12 = 112,313.44/x - Step 3: Cross multiply
162,373.84x = 243,167.12 × 112,313.44 - Step 4: Simplify right side
162,373.84x = 27,310,935,742.09 - Step 5: Solve for x
x = 27,310,935,742.09/162,373.84 - Step 6: Final answer
x = 168,197.88
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1.5x scale
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.