Finding the Fourth Proportional to 212,487.74, 318,766.24 and 62,743.18
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Solution
The fourth proportional to 212,487.74, 318,766.24 and 62,743.18 is: 94,125.00
Step by Step Solution
- Step 1: Write the proportion equation
212,487.74 : 318,766.24 = 62,743.18 : x - Step 2: Convert to fraction form
212,487.74/318,766.24 = 62,743.18/x - Step 3: Cross multiply
212,487.74x = 318,766.24 × 62,743.18 - Step 4: Simplify right side
212,487.74x = 20,000,407,574.24 - Step 5: Solve for x
x = 20,000,407,574.24/212,487.74 - Step 6: Final answer
x = 94,125.00
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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.