Finding the Fourth Proportional to 260,941.76, 391,478.26 and 73,953.26
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Solution
The fourth proportional to 260,941.76, 391,478.26 and 73,953.26 is: 110,948.49
Step by Step Solution
- Step 1: Write the proportion equation
260,941.76 : 391,478.26 = 73,953.26 : x - Step 2: Convert to fraction form
260,941.76/391,478.26 = 73,953.26/x - Step 3: Cross multiply
260,941.76x = 391,478.26 × 73,953.26 - Step 4: Simplify right side
260,941.76x = 28,951,093,546.13 - Step 5: Solve for x
x = 28,951,093,546.13/260,941.76 - Step 6: Final answer
x = 110,948.49
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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.