Finding the Fourth Proportional to 829,367.96, 1,243,983.47 and 230,343.21
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Solution
The fourth proportional to 829,367.96, 1,243,983.47 and 230,343.21 is: 345,495.80
Step by Step Solution
- Step 1: Write the proportion equation
829,367.96 : 1,243,983.47 = 230,343.21 : x - Step 2: Convert to fraction form
829,367.96/1,243,983.47 = 230,343.21/x - Step 3: Cross multiply
829,367.96x = 1,243,983.47 × 230,343.21 - Step 4: Simplify right side
829,367.96x = 286,543,144,515.02 - Step 5: Solve for x
x = 286,543,144,515.02/829,367.96 - Step 6: Final answer
x = 345,495.80
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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.