Finding the Fourth Proportional to 212,129.15, 318,193.61 and 62,370.68
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Solution
The fourth proportional to 212,129.15, 318,193.61 and 62,370.68 is: 93,555.98
Step by Step Solution
- Step 1: Write the proportion equation
212,129.15 : 318,193.61 = 62,370.68 : x - Step 2: Convert to fraction form
212,129.15/318,193.61 = 62,370.68/x - Step 3: Cross multiply
212,129.15x = 318,193.61 × 62,370.68 - Step 4: Simplify right side
212,129.15x = 19,845,949,924.53 - Step 5: Solve for x
x = 19,845,949,924.53/212,129.15 - Step 6: Final answer
x = 93,555.98
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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.