Finding the Fourth Proportional to 508,750.45, 702,040.49 and 282,378.13
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Solution
The fourth proportional to 508,750.45, 702,040.49 and 282,378.13 is: 389,662.32
Step by Step Solution
- Step 1: Write the proportion equation
508,750.45 : 702,040.49 = 282,378.13 : x - Step 2: Convert to fraction form
508,750.45/702,040.49 = 282,378.13/x - Step 3: Cross multiply
508,750.45x = 702,040.49 × 282,378.13 - Step 4: Simplify right side
508,750.45x = 198,240,880,750.48 - Step 5: Solve for x
x = 198,240,880,750.48/508,750.45 - Step 6: Final answer
x = 389,662.32
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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.