Finding the Fourth Proportional to 160,220.08, 221,053.76 and 106,514.19
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Solution
The fourth proportional to 160,220.08, 221,053.76 and 106,514.19 is: 146,956.38
Step by Step Solution
- Step 1: Write the proportion equation
160,220.08 : 221,053.76 = 106,514.19 : x - Step 2: Convert to fraction form
160,220.08/221,053.76 = 106,514.19/x - Step 3: Cross multiply
160,220.08x = 221,053.76 × 106,514.19 - Step 4: Simplify right side
160,220.08x = 23,545,362,059.71 - Step 5: Solve for x
x = 23,545,362,059.71/160,220.08 - Step 6: Final answer
x = 146,956.38
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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.