Finding the Fourth Proportional to 515,241.99, 771,829.63 and 262,512.27
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Solution
The fourth proportional to 515,241.99, 771,829.63 and 262,512.27 is: 393,241.92
Step by Step Solution
- Step 1: Write the proportion equation
515,241.99 : 771,829.63 = 262,512.27 : x - Step 2: Convert to fraction form
515,241.99/771,829.63 = 262,512.27/x - Step 3: Cross multiply
515,241.99x = 771,829.63 × 262,512.27 - Step 4: Simplify right side
515,241.99x = 202,614,750,154.13 - Step 5: Solve for x
x = 202,614,750,154.13/515,241.99 - Step 6: Final answer
x = 393,241.92
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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.