Finding the Fourth Proportional to 515,289.99, 772,923.36 and 178,310.31
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Solution
The fourth proportional to 515,289.99, 772,923.36 and 178,310.31 is: 267,461.44
Step by Step Solution
- Step 1: Write the proportion equation
515,289.99 : 772,923.36 = 178,310.31 : x - Step 2: Convert to fraction form
515,289.99/772,923.36 = 178,310.31/x - Step 3: Cross multiply
515,289.99x = 772,923.36 × 178,310.31 - Step 4: Simplify right side
515,289.99x = 137,820,202,441.31 - Step 5: Solve for x
x = 137,820,202,441.31/515,289.99 - Step 6: Final answer
x = 267,461.44
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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.