Finding the Fourth Proportional to 115,204.10, 158,982.36 and 64,220.06
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Solution
The fourth proportional to 115,204.10, 158,982.36 and 64,220.06 is: 88,624.07
Step by Step Solution
- Step 1: Write the proportion equation
115,204.10 : 158,982.36 = 64,220.06 : x - Step 2: Convert to fraction form
115,204.10/158,982.36 = 64,220.06/x - Step 3: Cross multiply
115,204.10x = 158,982.36 × 64,220.06 - Step 4: Simplify right side
115,204.10x = 10,209,856,698.14 - Step 5: Solve for x
x = 10,209,856,698.14/115,204.10 - Step 6: Final answer
x = 88,624.07
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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.