Finding the Fourth Proportional to 805,687.88, 1,208,532.11 and 206,649.05
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Solution
The fourth proportional to 805,687.88, 1,208,532.11 and 206,649.05 is: 309,973.64
Step by Step Solution
- Step 1: Write the proportion equation
805,687.88 : 1,208,532.11 = 206,649.05 : x - Step 2: Convert to fraction form
805,687.88/1,208,532.11 = 206,649.05/x - Step 3: Cross multiply
805,687.88x = 1,208,532.11 × 206,649.05 - Step 4: Simplify right side
805,687.88x = 249,742,005,350.09 - Step 5: Solve for x
x = 249,742,005,350.09/805,687.88 - Step 6: Final answer
x = 309,973.64
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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.