Finding the Fourth Proportional to 160,484.62, 221,467.18 and 86,896.70
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Solution
The fourth proportional to 160,484.62, 221,467.18 and 86,896.70 is: 119,916.58
Step by Step Solution
- Step 1: Write the proportion equation
160,484.62 : 221,467.18 = 86,896.70 : x - Step 2: Convert to fraction form
160,484.62/221,467.18 = 86,896.70/x - Step 3: Cross multiply
160,484.62x = 221,467.18 × 86,896.70 - Step 4: Simplify right side
160,484.62x = 19,244,766,883.06 - Step 5: Solve for x
x = 19,244,766,883.06/160,484.62 - Step 6: Final answer
x = 119,916.58
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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.