Finding the Fourth Proportional to 286,913.76, 396,047.56 and 246,465.18
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Solution
The fourth proportional to 286,913.76, 396,047.56 and 246,465.18 is: 340,213.50
Step by Step Solution
- Step 1: Write the proportion equation
286,913.76 : 396,047.56 = 246,465.18 : x - Step 2: Convert to fraction form
286,913.76/396,047.56 = 246,465.18/x - Step 3: Cross multiply
286,913.76x = 396,047.56 × 246,465.18 - Step 4: Simplify right side
286,913.76x = 97,611,933,163.96 - Step 5: Solve for x
x = 97,611,933,163.96/286,913.76 - Step 6: Final answer
x = 340,213.50
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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.