Finding the Fourth Proportional to 203,462.30, 305,217.95 and 98,207.25
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Solution
The fourth proportional to 203,462.30, 305,217.95 and 98,207.25 is: 147,322.70
Step by Step Solution
- Step 1: Write the proportion equation
203,462.30 : 305,217.95 = 98,207.25 : x - Step 2: Convert to fraction form
203,462.30/305,217.95 = 98,207.25/x - Step 3: Cross multiply
203,462.30x = 305,217.95 × 98,207.25 - Step 4: Simplify right side
203,462.30x = 29,974,615,029.10 - Step 5: Solve for x
x = 29,974,615,029.10/203,462.30 - Step 6: Final answer
x = 147,322.70
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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.