Finding the Fourth Proportional to 486,612.67, 729,918.99 and 249,823.75
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Solution
The fourth proportional to 486,612.67, 729,918.99 and 249,823.75 is: 374,735.62
Step by Step Solution
- Step 1: Write the proportion equation
486,612.67 : 729,918.99 = 249,823.75 : x - Step 2: Convert to fraction form
486,612.67/729,918.99 = 249,823.75/x - Step 3: Cross multiply
486,612.67x = 729,918.99 × 249,823.75 - Step 4: Simplify right side
486,612.67x = 182,351,099,278.01 - Step 5: Solve for x
x = 182,351,099,278.01/486,612.67 - Step 6: Final answer
x = 374,735.62
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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.