Finding the Fourth Proportional to 162,309.75, 243,387.99 and 94,861.13
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Solution
The fourth proportional to 162,309.75, 243,387.99 and 94,861.13 is: 142,246.90
Step by Step Solution
- Step 1: Write the proportion equation
162,309.75 : 243,387.99 = 94,861.13 : x - Step 2: Convert to fraction form
162,309.75/243,387.99 = 94,861.13/x - Step 3: Cross multiply
162,309.75x = 243,387.99 × 94,861.13 - Step 4: Simplify right side
162,309.75x = 23,088,058,542.89 - Step 5: Solve for x
x = 23,088,058,542.89/162,309.75 - Step 6: Final answer
x = 142,246.90
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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.