Finding the Fourth Proportional to 79,314.24, 118,982.36 and 26,738.76
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Solution
The fourth proportional to 79,314.24, 118,982.36 and 26,738.76 is: 40,111.85
Step by Step Solution
- Step 1: Write the proportion equation
79,314.24 : 118,982.36 = 26,738.76 : x - Step 2: Convert to fraction form
79,314.24/118,982.36 = 26,738.76/x - Step 3: Cross multiply
79,314.24x = 118,982.36 × 26,738.76 - Step 4: Simplify right side
79,314.24x = 3,181,440,768.27 - Step 5: Solve for x
x = 3,181,440,768.27/79,314.24 - Step 6: Final answer
x = 40,111.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.