Finding the Fourth Proportional to 160,430.07, 221,232.91 and 106,717.35
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Solution
The fourth proportional to 160,430.07, 221,232.91 and 106,717.35 is: 147,163.12
Step by Step Solution
- Step 1: Write the proportion equation
160,430.07 : 221,232.91 = 106,717.35 : x - Step 2: Convert to fraction form
160,430.07/221,232.91 = 106,717.35/x - Step 3: Cross multiply
160,430.07x = 221,232.91 × 106,717.35 - Step 4: Simplify right side
160,430.07x = 23,609,389,887.99 - Step 5: Solve for x
x = 23,609,389,887.99/160,430.07 - Step 6: Final answer
x = 147,163.12
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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.