Finding the Fourth Proportional to 371,734.70, 513,037.62 and 220,831.70
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Solution
The fourth proportional to 371,734.70, 513,037.62 and 220,831.70 is: 304,773.72
Step by Step Solution
- Step 1: Write the proportion equation
371,734.70 : 513,037.62 = 220,831.70 : x - Step 2: Convert to fraction form
371,734.70/513,037.62 = 220,831.70/x - Step 3: Cross multiply
371,734.70x = 513,037.62 × 220,831.70 - Step 4: Simplify right side
371,734.70x = 113,294,967,223.37 - Step 5: Solve for x
x = 113,294,967,223.37/371,734.70 - Step 6: Final answer
x = 304,773.72
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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.