Finding the Fourth Proportional to 490,614.64, 736,207.49 and 206,284.60
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Solution
The fourth proportional to 490,614.64, 736,207.49 and 206,284.60 is: 309,546.95
Step by Step Solution
- Step 1: Write the proportion equation
490,614.64 : 736,207.49 = 206,284.60 : x - Step 2: Convert to fraction form
490,614.64/736,207.49 = 206,284.60/x - Step 3: Cross multiply
490,614.64x = 736,207.49 × 206,284.60 - Step 4: Simplify right side
490,614.64x = 151,868,264,886.46 - Step 5: Solve for x
x = 151,868,264,886.46/490,614.64 - Step 6: Final answer
x = 309,546.95
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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.