Finding the Fourth Proportional to 210,600.74, 290,624.74 and 115,108.12
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Solution
The fourth proportional to 210,600.74, 290,624.74 and 115,108.12 is: 158,846.86
Step by Step Solution
- Step 1: Write the proportion equation
210,600.74 : 290,624.74 = 115,108.12 : x - Step 2: Convert to fraction form
210,600.74/290,624.74 = 115,108.12/x - Step 3: Cross multiply
210,600.74x = 290,624.74 × 115,108.12 - Step 4: Simplify right side
210,600.74x = 33,453,267,522.40 - Step 5: Solve for x
x = 33,453,267,522.40/210,600.74 - Step 6: Final answer
x = 158,846.86
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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.