Finding the Fourth Proportional to 486,968.60, 672,014.97 and 272,108.66
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Solution
The fourth proportional to 486,968.60, 672,014.97 and 272,108.66 is: 375,509.00
Step by Step Solution
- Step 1: Write the proportion equation
486,968.60 : 672,014.97 = 272,108.66 : x - Step 2: Convert to fraction form
486,968.60/672,014.97 = 272,108.66/x - Step 3: Cross multiply
486,968.60x = 672,014.97 × 272,108.66 - Step 4: Simplify right side
486,968.60x = 182,861,089,626.57 - Step 5: Solve for x
x = 182,861,089,626.57/486,968.60 - Step 6: Final answer
x = 375,509.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.