Finding the Fourth Proportional to 168,368.18, 252,349.20 and 73,557.68
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Solution
The fourth proportional to 168,368.18, 252,349.20 and 73,557.68 is: 110,247.80
Step by Step Solution
- Step 1: Write the proportion equation
168,368.18 : 252,349.20 = 73,557.68 : x - Step 2: Convert to fraction form
168,368.18/252,349.20 = 73,557.68/x - Step 3: Cross multiply
168,368.18x = 252,349.20 × 73,557.68 - Step 4: Simplify right side
168,368.18x = 18,562,220,440.11 - Step 5: Solve for x
x = 18,562,220,440.11/168,368.18 - Step 6: Final answer
x = 110,247.80
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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.