Finding the Fourth Proportional to 526,325.40, 789,531.84 and 210,610.08
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Solution
The fourth proportional to 526,325.40, 789,531.84 and 210,610.08 is: 315,932.62
Step by Step Solution
- Step 1: Write the proportion equation
526,325.40 : 789,531.84 = 210,610.08 : x - Step 2: Convert to fraction form
526,325.40/789,531.84 = 210,610.08/x - Step 3: Cross multiply
526,325.40x = 789,531.84 × 210,610.08 - Step 4: Simplify right side
526,325.40x = 166,283,363,984.95 - Step 5: Solve for x
x = 166,283,363,984.95/526,325.40 - Step 6: Final answer
x = 315,932.62
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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.