Finding the Fourth Proportional to 382,831.07, 574,299.14 and 130,043.70
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Solution
The fourth proportional to 382,831.07, 574,299.14 and 130,043.70 is: 195,083.40
Step by Step Solution
- Step 1: Write the proportion equation
382,831.07 : 574,299.14 = 130,043.70 : x - Step 2: Convert to fraction form
382,831.07/574,299.14 = 130,043.70/x - Step 3: Cross multiply
382,831.07x = 574,299.14 × 130,043.70 - Step 4: Simplify right side
382,831.07x = 74,683,984,422.20 - Step 5: Solve for x
x = 74,683,984,422.20/382,831.07 - Step 6: Final answer
x = 195,083.40
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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.