Finding the Fourth Proportional to 408,163.68, 563,069.88 and 351,476.64
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Solution
The fourth proportional to 408,163.68, 563,069.88 and 351,476.64 is: 484,868.99
Step by Step Solution
- Step 1: Write the proportion equation
408,163.68 : 563,069.88 = 351,476.64 : x - Step 2: Convert to fraction form
408,163.68/563,069.88 = 351,476.64/x - Step 3: Cross multiply
408,163.68x = 563,069.88 × 351,476.64 - Step 4: Simplify right side
408,163.68x = 197,905,909,507.60 - Step 5: Solve for x
x = 197,905,909,507.60/408,163.68 - Step 6: Final answer
x = 484,868.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.