Finding the Fourth Proportional to 115,164.17, 172,796.46 and 40,337.99
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Solution
The fourth proportional to 115,164.17, 172,796.46 and 40,337.99 is: 60,524.57
Step by Step Solution
- Step 1: Write the proportion equation
115,164.17 : 172,796.46 = 40,337.99 : x - Step 2: Convert to fraction form
115,164.17/172,796.46 = 40,337.99/x - Step 3: Cross multiply
115,164.17x = 172,796.46 × 40,337.99 - Step 4: Simplify right side
115,164.17x = 6,970,261,875.52 - Step 5: Solve for x
x = 6,970,261,875.52/115,164.17 - Step 6: Final answer
x = 60,524.57
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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.