Finding the Fourth Proportional to 274,709.07, 379,129.82 and 167,341.95
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Solution
The fourth proportional to 274,709.07, 379,129.82 and 167,341.95 is: 230,950.96
Step by Step Solution
- Step 1: Write the proportion equation
274,709.07 : 379,129.82 = 167,341.95 : x - Step 2: Convert to fraction form
274,709.07/379,129.82 = 167,341.95/x - Step 3: Cross multiply
274,709.07x = 379,129.82 × 167,341.95 - Step 4: Simplify right side
274,709.07x = 63,444,322,545.24 - Step 5: Solve for x
x = 63,444,322,545.24/274,709.07 - Step 6: Final answer
x = 230,950.96
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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.