Finding the Fourth Proportional to 238,727.10, 329,427.36 and 136,752.96
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Solution
The fourth proportional to 238,727.10, 329,427.36 and 136,752.96 is: 188,709.90
Step by Step Solution
- Step 1: Write the proportion equation
238,727.10 : 329,427.36 = 136,752.96 : x - Step 2: Convert to fraction form
238,727.10/329,427.36 = 136,752.96/x - Step 3: Cross multiply
238,727.10x = 329,427.36 × 136,752.96 - Step 4: Simplify right side
238,727.10x = 45,050,166,584.99 - Step 5: Solve for x
x = 45,050,166,584.99/238,727.10 - Step 6: Final answer
x = 188,709.90
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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.