Finding the Fourth Proportional to 486,516.43, 729,774.60 and 249,708.07
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Solution
The fourth proportional to 486,516.43, 729,774.60 and 249,708.07 is: 374,562.08
Step by Step Solution
- Step 1: Write the proportion equation
486,516.43 : 729,774.60 = 249,708.07 : x - Step 2: Convert to fraction form
486,516.43/729,774.60 = 249,708.07/x - Step 3: Cross multiply
486,516.43x = 729,774.60 × 249,708.07 - Step 4: Simplify right side
486,516.43x = 182,230,606,901.02 - Step 5: Solve for x
x = 182,230,606,901.02/486,516.43 - Step 6: Final answer
x = 374,562.08
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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.