Finding the Fourth Proportional to 528,433.44, 792,676.16 and 212,847.68
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Solution
The fourth proportional to 528,433.44, 792,676.16 and 212,847.68 is: 319,281.99
Step by Step Solution
- Step 1: Write the proportion equation
528,433.44 : 792,676.16 = 212,847.68 : x - Step 2: Convert to fraction form
528,433.44/792,676.16 = 212,847.68/x - Step 3: Cross multiply
528,433.44x = 792,676.16 × 212,847.68 - Step 4: Simplify right side
528,433.44x = 168,719,281,647.31 - Step 5: Solve for x
x = 168,719,281,647.31/528,433.44 - Step 6: Final answer
x = 319,281.99
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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.