Finding the Fourth Proportional to 685,956.24, 1,028,894.52 and 206,173.68
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Solution
The fourth proportional to 685,956.24, 1,028,894.52 and 206,173.68 is: 309,248.55
Step by Step Solution
- Step 1: Write the proportion equation
685,956.24 : 1,028,894.52 = 206,173.68 : x - Step 2: Convert to fraction form
685,956.24/1,028,894.52 = 206,173.68/x - Step 3: Cross multiply
685,956.24x = 1,028,894.52 × 206,173.68 - Step 4: Simplify right side
685,956.24x = 212,130,969,520.23 - Step 5: Solve for x
x = 212,130,969,520.23/685,956.24 - Step 6: Final answer
x = 309,248.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.