Finding the Fourth Proportional to 160,601.60, 221,631.99 and 88,982.75
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Solution
The fourth proportional to 160,601.60, 221,631.99 and 88,982.75 is: 122,797.18
Step by Step Solution
- Step 1: Write the proportion equation
160,601.60 : 221,631.99 = 88,982.75 : x - Step 2: Convert to fraction form
160,601.60/221,631.99 = 88,982.75/x - Step 3: Cross multiply
160,601.60x = 221,631.99 × 88,982.75 - Step 4: Simplify right side
160,601.60x = 19,721,423,958.17 - Step 5: Solve for x
x = 19,721,423,958.17/160,601.60 - Step 6: Final answer
x = 122,797.18
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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.