Finding the Fourth Proportional to 372,445.44, 513,986.36 and 211,307.28
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Solution
The fourth proportional to 372,445.44, 513,986.36 and 211,307.28 is: 291,610.66
Step by Step Solution
- Step 1: Write the proportion equation
372,445.44 : 513,986.36 = 211,307.28 : x - Step 2: Convert to fraction form
372,445.44/513,986.36 = 211,307.28/x - Step 3: Cross multiply
372,445.44x = 513,986.36 × 211,307.28 - Step 4: Simplify right side
372,445.44x = 108,609,059,688.70 - Step 5: Solve for x
x = 108,609,059,688.70/372,445.44 - Step 6: Final answer
x = 291,610.66
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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.