Finding the Fourth Proportional to 203,450.96, 280,722.48 and 112,802.96
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Solution
The fourth proportional to 203,450.96, 280,722.48 and 112,802.96 is: 155,645.99
Step by Step Solution
- Step 1: Write the proportion equation
203,450.96 : 280,722.48 = 112,802.96 : x - Step 2: Convert to fraction form
203,450.96/280,722.48 = 112,802.96/x - Step 3: Cross multiply
203,450.96x = 280,722.48 × 112,802.96 - Step 4: Simplify right side
203,450.96x = 31,666,326,682.54 - Step 5: Solve for x
x = 31,666,326,682.54/203,450.96 - Step 6: Final answer
x = 155,645.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.