Finding the Fourth Proportional to 162,313.13, 243,481.94 and 48,451.95
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Solution
The fourth proportional to 162,313.13, 243,481.94 and 48,451.95 is: 72,681.57
Step by Step Solution
- Step 1: Write the proportion equation
162,313.13 : 243,481.94 = 48,451.95 : x - Step 2: Convert to fraction form
162,313.13/243,481.94 = 48,451.95/x - Step 3: Cross multiply
162,313.13x = 243,481.94 × 48,451.95 - Step 4: Simplify right side
162,313.13x = 11,797,173,809.16 - Step 5: Solve for x
x = 11,797,173,809.16/162,313.13 - Step 6: Final answer
x = 72,681.57
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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.