Finding the Fourth Proportional to 160,430.75, 221,452.76 and 93,362.75
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Solution
The fourth proportional to 160,430.75, 221,452.76 and 93,362.75 is: 128,874.54
Step by Step Solution
- Step 1: Write the proportion equation
160,430.75 : 221,452.76 = 93,362.75 : x - Step 2: Convert to fraction form
160,430.75/221,452.76 = 93,362.75/x - Step 3: Cross multiply
160,430.75x = 221,452.76 × 93,362.75 - Step 4: Simplify right side
160,430.75x = 20,675,438,668.69 - Step 5: Solve for x
x = 20,675,438,668.69/160,430.75 - Step 6: Final answer
x = 128,874.54
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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.