Finding the Fourth Proportional to 205,405.36, 307,648.58 and 118,745.08
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Solution
The fourth proportional to 205,405.36, 307,648.58 and 118,745.08 is: 177,852.00
Step by Step Solution
- Step 1: Write the proportion equation
205,405.36 : 307,648.58 = 118,745.08 : x - Step 2: Convert to fraction form
205,405.36/307,648.58 = 118,745.08/x - Step 3: Cross multiply
205,405.36x = 307,648.58 × 118,745.08 - Step 4: Simplify right side
205,405.36x = 36,531,753,881.14 - Step 5: Solve for x
x = 36,531,753,881.14/205,405.36 - Step 6: Final answer
x = 177,852.00
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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.