Finding the Fourth Proportional to 178,798.24, 268,193.20 and 90,027.92
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Solution
The fourth proportional to 178,798.24, 268,193.20 and 90,027.92 is: 135,039.79
Step by Step Solution
- Step 1: Write the proportion equation
178,798.24 : 268,193.20 = 90,027.92 : x - Step 2: Convert to fraction form
178,798.24/268,193.20 = 90,027.92/x - Step 3: Cross multiply
178,798.24x = 268,193.20 × 90,027.92 - Step 4: Simplify right side
178,798.24x = 24,144,875,954.14 - Step 5: Solve for x
x = 24,144,875,954.14/178,798.24 - Step 6: Final answer
x = 135,039.79
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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.