Finding the Fourth Proportional to 178,768.32, 268,148.34 and 89,997.99
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Solution
The fourth proportional to 178,768.32, 268,148.34 and 89,997.99 is: 134,994.90
Step by Step Solution
- Step 1: Write the proportion equation
178,768.32 : 268,148.34 = 89,997.99 : x - Step 2: Convert to fraction form
178,768.32/268,148.34 = 89,997.99/x - Step 3: Cross multiply
178,768.32x = 268,148.34 × 89,997.99 - Step 4: Simplify right side
178,768.32x = 24,132,811,621.84 - Step 5: Solve for x
x = 24,132,811,621.84/178,768.32 - Step 6: Final answer
x = 134,994.90
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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.