Finding the Fourth Proportional to 213,024.96, 319,493.70 and 100,657.44
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Solution
The fourth proportional to 213,024.96, 319,493.70 and 100,657.44 is: 150,965.49
Step by Step Solution
- Step 1: Write the proportion equation
213,024.96 : 319,493.70 = 100,657.44 : x - Step 2: Convert to fraction form
213,024.96/319,493.70 = 100,657.44/x - Step 3: Cross multiply
213,024.96x = 319,493.70 × 100,657.44 - Step 4: Simplify right side
213,024.96x = 32,159,417,938.13 - Step 5: Solve for x
x = 32,159,417,938.13/213,024.96 - Step 6: Final answer
x = 150,965.49
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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.