Finding the Fourth Proportional to 230,453.91, 345,730.68 and 130,661.10
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Solution
The fourth proportional to 230,453.91, 345,730.68 and 130,661.10 is: 196,019.89
Step by Step Solution
- Step 1: Write the proportion equation
230,453.91 : 345,730.68 = 130,661.10 : x - Step 2: Convert to fraction form
230,453.91/345,730.68 = 130,661.10/x - Step 3: Cross multiply
230,453.91x = 345,730.68 × 130,661.10 - Step 4: Simplify right side
230,453.91x = 45,173,550,952.55 - Step 5: Solve for x
x = 45,173,550,952.55/230,453.91 - Step 6: Final answer
x = 196,019.89
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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.