Finding the Fourth Proportional to 207,655.68, 311,483.52 and 118,847.28
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Solution
The fourth proportional to 207,655.68, 311,483.52 and 118,847.28 is: 178,270.92
Step by Step Solution
- Step 1: Write the proportion equation
207,655.68 : 311,483.52 = 118,847.28 : x - Step 2: Convert to fraction form
207,655.68/311,483.52 = 118,847.28/x - Step 3: Cross multiply
207,655.68x = 311,483.52 × 118,847.28 - Step 4: Simplify right side
207,655.68x = 37,018,969,116.83 - Step 5: Solve for x
x = 37,018,969,116.83/207,655.68 - Step 6: Final answer
x = 178,270.92
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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.