Finding the Fourth Proportional to 160,409.75, 221,423.87 and 93,341.75
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Solution
The fourth proportional to 160,409.75, 221,423.87 and 93,341.75 is: 128,845.61
Step by Step Solution
- Step 1: Write the proportion equation
160,409.75 : 221,423.87 = 93,341.75 : x - Step 2: Convert to fraction form
160,409.75/221,423.87 = 93,341.75/x - Step 3: Cross multiply
160,409.75x = 221,423.87 × 93,341.75 - Step 4: Simplify right side
160,409.75x = 20,668,091,517.57 - Step 5: Solve for x
x = 20,668,091,517.57/160,409.75 - Step 6: Final answer
x = 128,845.61
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1.5x scale
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.