Finding the Fourth Proportional to 268,829.28, 403,493.00 and 135,803.18
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Solution
The fourth proportional to 268,829.28, 403,493.00 and 135,803.18 is: 203,830.60
Step by Step Solution
- Step 1: Write the proportion equation
268,829.28 : 403,493.00 = 135,803.18 : x - Step 2: Convert to fraction form
268,829.28/403,493.00 = 135,803.18/x - Step 3: Cross multiply
268,829.28x = 403,493.00 × 135,803.18 - Step 4: Simplify right side
268,829.28x = 54,795,632,837.46 - Step 5: Solve for x
x = 54,795,632,837.46/268,829.28 - Step 6: Final answer
x = 203,830.60
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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.