Finding the Fourth Proportional to 415,470.20, 622,283.70 and 166,023.80
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Solution
The fourth proportional to 415,470.20, 622,283.70 and 166,023.80 is: 248,667.42
Step by Step Solution
- Step 1: Write the proportion equation
415,470.20 : 622,283.70 = 166,023.80 : x - Step 2: Convert to fraction form
415,470.20/622,283.70 = 166,023.80/x - Step 3: Cross multiply
415,470.20x = 622,283.70 × 166,023.80 - Step 4: Simplify right side
415,470.20x = 103,313,904,552.06 - Step 5: Solve for x
x = 103,313,904,552.06/415,470.20 - Step 6: Final answer
x = 248,667.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.