Finding the Fourth Proportional to 363,638.92, 545,693.10 and 153,277.96
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Solution
The fourth proportional to 363,638.92, 545,693.10 and 153,277.96 is: 230,015.88
Step by Step Solution
- Step 1: Write the proportion equation
363,638.92 : 545,693.10 = 153,277.96 : x - Step 2: Convert to fraction form
363,638.92/545,693.10 = 153,277.96/x - Step 3: Cross multiply
363,638.92x = 545,693.10 × 153,277.96 - Step 4: Simplify right side
363,638.92x = 83,642,725,154.08 - Step 5: Solve for x
x = 83,642,725,154.08/363,638.92 - Step 6: Final answer
x = 230,015.88
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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.