Finding the Fourth Proportional to 247,576.48, 341,657.12 and 134,399.20
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Solution
The fourth proportional to 247,576.48, 341,657.12 and 134,399.20 is: 185,471.75
Step by Step Solution
- Step 1: Write the proportion equation
247,576.48 : 341,657.12 = 134,399.20 : x - Step 2: Convert to fraction form
247,576.48/341,657.12 = 134,399.20/x - Step 3: Cross multiply
247,576.48x = 341,657.12 × 134,399.20 - Step 4: Simplify right side
247,576.48x = 45,918,443,602.30 - Step 5: Solve for x
x = 45,918,443,602.30/247,576.48 - Step 6: Final answer
x = 185,471.75
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1.5x scale
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.