Finding the Fourth Proportional to 415,251.60, 621,840.60 and 274,246.80
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Solution
The fourth proportional to 415,251.60, 621,840.60 and 274,246.80 is: 410,685.46
Step by Step Solution
- Step 1: Write the proportion equation
415,251.60 : 621,840.60 = 274,246.80 : x - Step 2: Convert to fraction form
415,251.60/621,840.60 = 274,246.80/x - Step 3: Cross multiply
415,251.60x = 621,840.60 × 274,246.80 - Step 4: Simplify right side
415,251.60x = 170,537,794,660.08 - Step 5: Solve for x
x = 170,537,794,660.08/415,251.60 - Step 6: Final answer
x = 410,685.46
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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.