Finding the Fourth Proportional to 651,620.20, 976,652.70 and 272,540.20
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Solution
The fourth proportional to 651,620.20, 976,652.70 and 272,540.20 is: 408,485.07
Step by Step Solution
- Step 1: Write the proportion equation
651,620.20 : 976,652.70 = 272,540.20 : x - Step 2: Convert to fraction form
651,620.20/976,652.70 = 272,540.20/x - Step 3: Cross multiply
651,620.20x = 976,652.70 × 272,540.20 - Step 4: Simplify right side
651,620.20x = 266,177,122,188.54 - Step 5: Solve for x
x = 266,177,122,188.54/651,620.20 - Step 6: Final answer
x = 408,485.07
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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.