Finding the Fourth Proportional to 212,496.64, 318,779.55 and 62,752.07
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Solution
The fourth proportional to 212,496.64, 318,779.55 and 62,752.07 is: 94,138.32
Step by Step Solution
- Step 1: Write the proportion equation
212,496.64 : 318,779.55 = 62,752.07 : x - Step 2: Convert to fraction form
212,496.64/318,779.55 = 62,752.07/x - Step 3: Cross multiply
212,496.64x = 318,779.55 × 62,752.07 - Step 4: Simplify right side
212,496.64x = 20,004,077,433.12 - Step 5: Solve for x
x = 20,004,077,433.12/212,496.64 - Step 6: Final answer
x = 94,138.32
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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.