Finding the Fourth Proportional to 410,181.70, 615,272.55 and 305,205.70
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Solution
The fourth proportional to 410,181.70, 615,272.55 and 305,205.70 is: 457,808.55
Step by Step Solution
- Step 1: Write the proportion equation
410,181.70 : 615,272.55 = 305,205.70 : x - Step 2: Convert to fraction form
410,181.70/615,272.55 = 305,205.70/x - Step 3: Cross multiply
410,181.70x = 615,272.55 × 305,205.70 - Step 4: Simplify right side
410,181.70x = 187,784,689,313.54 - Step 5: Solve for x
x = 187,784,689,313.54/410,181.70 - Step 6: Final answer
x = 457,808.55
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1.5x scale
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.