Finding the Fourth Proportional to 392,761.66, 588,325.09 and 249,899.26
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Solution
The fourth proportional to 392,761.66, 588,325.09 and 249,899.26 is: 374,328.80
Step by Step Solution
- Step 1: Write the proportion equation
392,761.66 : 588,325.09 = 249,899.26 : x - Step 2: Convert to fraction form
392,761.66/588,325.09 = 249,899.26/x - Step 3: Cross multiply
392,761.66x = 588,325.09 × 249,899.26 - Step 4: Simplify right side
392,761.66x = 147,022,000,439.31 - Step 5: Solve for x
x = 147,022,000,439.31/392,761.66 - Step 6: Final answer
x = 374,328.80
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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.