Finding the Fourth Proportional to 77,408.18, 116,109.84 and 22,004.18
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Solution
The fourth proportional to 77,408.18, 116,109.84 and 22,004.18 is: 33,005.58
Step by Step Solution
- Step 1: Write the proportion equation
77,408.18 : 116,109.84 = 22,004.18 : x - Step 2: Convert to fraction form
77,408.18/116,109.84 = 22,004.18/x - Step 3: Cross multiply
77,408.18x = 116,109.84 × 22,004.18 - Step 4: Simplify right side
77,408.18x = 2,554,901,819.13 - Step 5: Solve for x
x = 2,554,901,819.13/77,408.18 - Step 6: Final answer
x = 33,005.58
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1.5x scale
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.