Finding the Fourth Proportional to 160,154.54, 221,006.37 and 87,556.09
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Solution
The fourth proportional to 160,154.54, 221,006.37 and 87,556.09 is: 120,823.63
Step by Step Solution
- Step 1: Write the proportion equation
160,154.54 : 221,006.37 = 87,556.09 : x - Step 2: Convert to fraction form
160,154.54/221,006.37 = 87,556.09/x - Step 3: Cross multiply
160,154.54x = 221,006.37 × 87,556.09 - Step 4: Simplify right side
160,154.54x = 19,350,453,812.50 - Step 5: Solve for x
x = 19,350,453,812.50/160,154.54 - Step 6: Final answer
x = 120,823.63
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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.