Finding the Fourth Proportional to 523,157.20, 784,809.61 and 168,052.19
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Solution
The fourth proportional to 523,157.20, 784,809.61 and 168,052.19 is: 252,101.99
Step by Step Solution
- Step 1: Write the proportion equation
523,157.20 : 784,809.61 = 168,052.19 : x - Step 2: Convert to fraction form
523,157.20/784,809.61 = 168,052.19/x - Step 3: Cross multiply
523,157.20x = 784,809.61 × 168,052.19 - Step 4: Simplify right side
523,157.20x = 131,888,969,349.37 - Step 5: Solve for x
x = 131,888,969,349.37/523,157.20 - Step 6: Final answer
x = 252,101.99
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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.