Finding the Fourth Proportional to 160,628.67, 221,663.79 and 92,645.78
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Solution
The fourth proportional to 160,628.67, 221,663.79 and 92,645.78 is: 127,848.99
Step by Step Solution
- Step 1: Write the proportion equation
160,628.67 : 221,663.79 = 92,645.78 : x - Step 2: Convert to fraction form
160,628.67/221,663.79 = 92,645.78/x - Step 3: Cross multiply
160,628.67x = 221,663.79 × 92,645.78 - Step 4: Simplify right side
160,628.67x = 20,536,213,613.99 - Step 5: Solve for x
x = 20,536,213,613.99/160,628.67 - Step 6: Final answer
x = 127,848.99
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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.