Finding the Fourth Proportional to 178,769.32, 268,149.84 and 89,998.99
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Solution
The fourth proportional to 178,769.32, 268,149.84 and 89,998.99 is: 134,996.40
Step by Step Solution
- Step 1: Write the proportion equation
178,769.32 : 268,149.84 = 89,998.99 : x - Step 2: Convert to fraction form
178,769.32/268,149.84 = 89,998.99/x - Step 3: Cross multiply
178,769.32x = 268,149.84 × 89,998.99 - Step 4: Simplify right side
178,769.32x = 24,133,214,768.66 - Step 5: Solve for x
x = 24,133,214,768.66/178,769.32 - Step 6: Final answer
x = 134,996.40
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1.5x scale
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.