Finding the Fourth Proportional to 301,087.68, 415,478.40 and 165,099.84
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Solution
The fourth proportional to 301,087.68, 415,478.40 and 165,099.84 is: 227,825.39
Step by Step Solution
- Step 1: Write the proportion equation
301,087.68 : 415,478.40 = 165,099.84 : x - Step 2: Convert to fraction form
301,087.68/415,478.40 = 165,099.84/x - Step 3: Cross multiply
301,087.68x = 415,478.40 × 165,099.84 - Step 4: Simplify right side
301,087.68x = 68,595,417,363.46 - Step 5: Solve for x
x = 68,595,417,363.46/301,087.68 - Step 6: Final answer
x = 227,825.39
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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.