Finding the Fourth Proportional to 199,898.58, 275,875.74 and 113,861.19
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Solution
The fourth proportional to 199,898.58, 275,875.74 and 113,861.19 is: 157,137.38
Step by Step Solution
- Step 1: Write the proportion equation
199,898.58 : 275,875.74 = 113,861.19 : x - Step 2: Convert to fraction form
199,898.58/275,875.74 = 113,861.19/x - Step 3: Cross multiply
199,898.58x = 275,875.74 × 113,861.19 - Step 4: Simplify right side
199,898.58x = 31,411,540,048.53 - Step 5: Solve for x
x = 31,411,540,048.53/199,898.58 - Step 6: Final answer
x = 157,137.38
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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.