Finding the Fourth Proportional to 160,581.18, 221,601.87 and 88,965.66
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Solution
The fourth proportional to 160,581.18, 221,601.87 and 88,965.66 is: 122,772.52
Step by Step Solution
- Step 1: Write the proportion equation
160,581.18 : 221,601.87 = 88,965.66 : x - Step 2: Convert to fraction form
160,581.18/221,601.87 = 88,965.66/x - Step 3: Cross multiply
160,581.18x = 221,601.87 × 88,965.66 - Step 4: Simplify right side
160,581.18x = 19,714,956,621.78 - Step 5: Solve for x
x = 19,714,956,621.78/160,581.18 - Step 6: Final answer
x = 122,772.52
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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.