Finding the Fourth Proportional to 172,361.97, 258,008.34 and 93,280.05
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Solution
The fourth proportional to 172,361.97, 258,008.34 and 93,280.05 is: 139,630.75
Step by Step Solution
- Step 1: Write the proportion equation
172,361.97 : 258,008.34 = 93,280.05 : x - Step 2: Convert to fraction form
172,361.97/258,008.34 = 93,280.05/x - Step 3: Cross multiply
172,361.97x = 258,008.34 × 93,280.05 - Step 4: Simplify right side
172,361.97x = 24,067,030,855.62 - Step 5: Solve for x
x = 24,067,030,855.62/172,361.97 - Step 6: Final answer
x = 139,630.75
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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.