Finding the Fourth Proportional to 274,977.99, 379,386.07 and 173,105.15
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Solution
The fourth proportional to 274,977.99, 379,386.07 and 173,105.15 is: 238,832.50
Step by Step Solution
- Step 1: Write the proportion equation
274,977.99 : 379,386.07 = 173,105.15 : x - Step 2: Convert to fraction form
274,977.99/379,386.07 = 173,105.15/x - Step 3: Cross multiply
274,977.99x = 379,386.07 × 173,105.15 - Step 4: Simplify right side
274,977.99x = 65,673,680,225.57 - Step 5: Solve for x
x = 65,673,680,225.57/274,977.99 - Step 6: Final answer
x = 238,832.50
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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.