Finding the Fourth Proportional to 410,107.20, 615,160.80 and 410,107.20
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Solution
The fourth proportional to 410,107.20, 615,160.80 and 410,107.20 is: 615,160.80
Step by Step Solution
- Step 1: Write the proportion equation
410,107.20 : 615,160.80 = 410,107.20 : x - Step 2: Convert to fraction form
410,107.20/615,160.80 = 410,107.20/x - Step 3: Cross multiply
410,107.20x = 615,160.80 × 410,107.20 - Step 4: Simplify right side
410,107.20x = 252,281,873,237.76 - Step 5: Solve for x
x = 252,281,873,237.76/410,107.20 - Step 6: Final answer
x = 615,160.80
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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.