Finding the Fourth Proportional to 205,181.06, 307,204.79 and 105,125.81
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Solution
The fourth proportional to 205,181.06, 307,204.79 and 105,125.81 is: 157,398.31
Step by Step Solution
- Step 1: Write the proportion equation
205,181.06 : 307,204.79 = 105,125.81 : x - Step 2: Convert to fraction form
205,181.06/307,204.79 = 105,125.81/x - Step 3: Cross multiply
205,181.06x = 307,204.79 × 105,125.81 - Step 4: Simplify right side
205,181.06x = 32,295,150,322.98 - Step 5: Solve for x
x = 32,295,150,322.98/205,181.06 - Step 6: Final answer
x = 157,398.31
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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.