Finding the Fourth Proportional to 238,231.36, 328,744.38 and 130,800.70
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Solution
The fourth proportional to 238,231.36, 328,744.38 and 130,800.70 is: 180,496.79
Step by Step Solution
- Step 1: Write the proportion equation
238,231.36 : 328,744.38 = 130,800.70 : x - Step 2: Convert to fraction form
238,231.36/328,744.38 = 130,800.70/x - Step 3: Cross multiply
238,231.36x = 328,744.38 × 130,800.70 - Step 4: Simplify right side
238,231.36x = 42,999,995,025.07 - Step 5: Solve for x
x = 42,999,995,025.07/238,231.36 - Step 6: Final answer
x = 180,496.79
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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.