Finding the Fourth Proportional to 160,389.75, 221,396.18 and 93,321.75
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Solution
The fourth proportional to 160,389.75, 221,396.18 and 93,321.75 is: 128,817.95
Step by Step Solution
- Step 1: Write the proportion equation
160,389.75 : 221,396.18 = 93,321.75 : x - Step 2: Convert to fraction form
160,389.75/221,396.18 = 93,321.75/x - Step 3: Cross multiply
160,389.75x = 221,396.18 × 93,321.75 - Step 4: Simplify right side
160,389.75x = 20,661,078,494.31 - Step 5: Solve for x
x = 20,661,078,494.31/160,389.75 - Step 6: Final answer
x = 128,817.95
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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.