Finding the Fourth Proportional to 203,942.10, 306,107.73 and 125,210.10
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Solution
The fourth proportional to 203,942.10, 306,107.73 and 125,210.10 is: 187,934.61
Step by Step Solution
- Step 1: Write the proportion equation
203,942.10 : 306,107.73 = 125,210.10 : x - Step 2: Convert to fraction form
203,942.10/306,107.73 = 125,210.10/x - Step 3: Cross multiply
203,942.10x = 306,107.73 × 125,210.10 - Step 4: Simplify right side
203,942.10x = 38,327,779,484.07 - Step 5: Solve for x
x = 38,327,779,484.07/203,942.10 - Step 6: Final answer
x = 187,934.61
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1.5x scale
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.