Finding the Fourth Proportional to 361,847.10, 542,562.99 and 137,064.17
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Solution
The fourth proportional to 361,847.10, 542,562.99 and 137,064.17 is: 205,517.60
Step by Step Solution
- Step 1: Write the proportion equation
361,847.10 : 542,562.99 = 137,064.17 : x - Step 2: Convert to fraction form
361,847.10/542,562.99 = 137,064.17/x - Step 3: Cross multiply
361,847.10x = 542,562.99 × 137,064.17 - Step 4: Simplify right side
361,847.10x = 74,365,945,897.07 - Step 5: Solve for x
x = 74,365,945,897.07/361,847.10 - Step 6: Final answer
x = 205,517.60
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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.