Finding the Fourth Proportional to 302,419.80, 453,629.70 and 246,432.60
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Solution
The fourth proportional to 302,419.80, 453,629.70 and 246,432.60 is: 369,648.90
Step by Step Solution
- Step 1: Write the proportion equation
302,419.80 : 453,629.70 = 246,432.60 : x - Step 2: Convert to fraction form
302,419.80/453,629.70 = 246,432.60/x - Step 3: Cross multiply
302,419.80x = 453,629.70 × 246,432.60 - Step 4: Simplify right side
302,419.80x = 111,789,146,408.22 - Step 5: Solve for x
x = 111,789,146,408.22/302,419.80 - Step 6: Final answer
x = 369,648.90
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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.