Finding the Fourth Proportional to 199,762.34, 275,661.50 and 109,116.99
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Solution
The fourth proportional to 199,762.34, 275,661.50 and 109,116.99 is: 150,575.70
Step by Step Solution
- Step 1: Write the proportion equation
199,762.34 : 275,661.50 = 109,116.99 : x - Step 2: Convert to fraction form
199,762.34/275,661.50 = 109,116.99/x - Step 3: Cross multiply
199,762.34x = 275,661.50 × 109,116.99 - Step 4: Simplify right side
199,762.34x = 30,079,352,593.30 - Step 5: Solve for x
x = 30,079,352,593.30/199,762.34 - Step 6: Final answer
x = 150,575.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.