Finding the Fourth Proportional to 310,371.95, 465,883.69 and 275,059.19
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Solution
The fourth proportional to 310,371.95, 465,883.69 and 275,059.19 is: 412,877.49
Step by Step Solution
- Step 1: Write the proportion equation
310,371.95 : 465,883.69 = 275,059.19 : x - Step 2: Convert to fraction form
310,371.95/465,883.69 = 275,059.19/x - Step 3: Cross multiply
310,371.95x = 465,883.69 × 275,059.19 - Step 4: Simplify right side
310,371.95x = 128,145,588,076.19 - Step 5: Solve for x
x = 128,145,588,076.19/310,371.95 - Step 6: Final answer
x = 412,877.49
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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.