Finding the Fourth Proportional to 526,290.20, 789,442.68 and 171,306.08
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Solution
The fourth proportional to 526,290.20, 789,442.68 and 171,306.08 is: 256,961.52
Step by Step Solution
- Step 1: Write the proportion equation
526,290.20 : 789,442.68 = 171,306.08 : x - Step 2: Convert to fraction form
526,290.20/789,442.68 = 171,306.08/x - Step 3: Cross multiply
526,290.20x = 789,442.68 × 171,306.08 - Step 4: Simplify right side
526,290.20x = 135,236,330,895.49 - Step 5: Solve for x
x = 135,236,330,895.49/526,290.20 - Step 6: Final answer
x = 256,961.52
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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.