Finding the Fourth Proportional to 179,498.21, 247,749.74 and 111,566.49
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Solution
The fourth proportional to 179,498.21, 247,749.74 and 111,566.49 is: 153,987.99
Step by Step Solution
- Step 1: Write the proportion equation
179,498.21 : 247,749.74 = 111,566.49 : x - Step 2: Convert to fraction form
179,498.21/247,749.74 = 111,566.49/x - Step 3: Cross multiply
179,498.21x = 247,749.74 × 111,566.49 - Step 4: Simplify right side
179,498.21x = 27,640,569,169.13 - Step 5: Solve for x
x = 27,640,569,169.13/179,498.21 - Step 6: Final answer
x = 153,987.99
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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.