Finding the Fourth Proportional to 540,319.02, 810,478.52 and 207,817.26
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Solution
The fourth proportional to 540,319.02, 810,478.52 and 207,817.26 is: 311,725.89
Step by Step Solution
- Step 1: Write the proportion equation
540,319.02 : 810,478.52 = 207,817.26 : x - Step 2: Convert to fraction form
540,319.02/810,478.52 = 207,817.26/x - Step 3: Cross multiply
540,319.02x = 810,478.52 × 207,817.26 - Step 4: Simplify right side
540,319.02x = 168,431,425,315.26 - Step 5: Solve for x
x = 168,431,425,315.26/540,319.02 - Step 6: Final answer
x = 311,725.89
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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.