Finding the Fourth Proportional to 472,841.20, 709,722.60 and 236,450.80
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Solution
The fourth proportional to 472,841.20, 709,722.60 and 236,450.80 is: 354,906.63
Step by Step Solution
- Step 1: Write the proportion equation
472,841.20 : 709,722.60 = 236,450.80 : x - Step 2: Convert to fraction form
472,841.20/709,722.60 = 236,450.80/x - Step 3: Cross multiply
472,841.20x = 709,722.60 × 236,450.80 - Step 4: Simplify right side
472,841.20x = 167,814,476,548.08 - Step 5: Solve for x
x = 167,814,476,548.08/472,841.20 - Step 6: Final answer
x = 354,906.63
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1.5x scale
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.