Finding the Fourth Proportional to 293,515.20, 440,272.80 and 153,241.20
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Solution
The fourth proportional to 293,515.20, 440,272.80 and 153,241.20 is: 229,861.80
Step by Step Solution
- Step 1: Write the proportion equation
293,515.20 : 440,272.80 = 153,241.20 : x - Step 2: Convert to fraction form
293,515.20/440,272.80 = 153,241.20/x - Step 3: Cross multiply
293,515.20x = 440,272.80 × 153,241.20 - Step 4: Simplify right side
293,515.20x = 67,467,932,199.36 - Step 5: Solve for x
x = 67,467,932,199.36/293,515.20 - Step 6: Final answer
x = 229,861.80
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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.