Finding the Fourth Proportional to 139,584.18, 209,395.56 and 44,792.06
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Solution
The fourth proportional to 139,584.18, 209,395.56 and 44,792.06 is: 67,194.28
Step by Step Solution
- Step 1: Write the proportion equation
139,584.18 : 209,395.56 = 44,792.06 : x - Step 2: Convert to fraction form
139,584.18/209,395.56 = 44,792.06/x - Step 3: Cross multiply
139,584.18x = 209,395.56 × 44,792.06 - Step 4: Simplify right side
139,584.18x = 9,379,258,487.25 - Step 5: Solve for x
x = 9,379,258,487.25/139,584.18 - Step 6: Final answer
x = 67,194.28
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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.