Finding the Fourth Proportional to 534,533.20, 801,799.26 and 218,990.68
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Solution
The fourth proportional to 534,533.20, 801,799.26 and 218,990.68 is: 328,485.80
Step by Step Solution
- Step 1: Write the proportion equation
534,533.20 : 801,799.26 = 218,990.68 : x - Step 2: Convert to fraction form
534,533.20/801,799.26 = 218,990.68/x - Step 3: Cross multiply
534,533.20x = 801,799.26 × 218,990.68 - Step 4: Simplify right side
534,533.20x = 175,586,565,170.90 - Step 5: Solve for x
x = 175,586,565,170.90/534,533.20 - Step 6: Final answer
x = 328,485.80
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Similar ratio
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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.