Finding the Fourth Proportional to 260,734.68, 391,102.02 and 120,475.08
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Solution
The fourth proportional to 260,734.68, 391,102.02 and 120,475.08 is: 180,712.62
Step by Step Solution
- Step 1: Write the proportion equation
260,734.68 : 391,102.02 = 120,475.08 : x - Step 2: Convert to fraction form
260,734.68/391,102.02 = 120,475.08/x - Step 3: Cross multiply
260,734.68x = 391,102.02 × 120,475.08 - Step 4: Simplify right side
260,734.68x = 47,118,047,147.66 - Step 5: Solve for x
x = 47,118,047,147.66/260,734.68 - Step 6: Final answer
x = 180,712.62
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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.