Finding the Fourth Proportional to 410,135.70, 615,203.55 and 335,340.30
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Solution
The fourth proportional to 410,135.70, 615,203.55 and 335,340.30 is: 503,010.45
Step by Step Solution
- Step 1: Write the proportion equation
410,135.70 : 615,203.55 = 335,340.30 : x - Step 2: Convert to fraction form
410,135.70/615,203.55 = 335,340.30/x - Step 3: Cross multiply
410,135.70x = 615,203.55 × 335,340.30 - Step 4: Simplify right side
410,135.70x = 206,302,543,018.07 - Step 5: Solve for x
x = 206,302,543,018.07/410,135.70 - Step 6: Final answer
x = 503,010.45
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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.