Finding the Fourth Proportional to 149,035.49, 205,564.87 and 101,205.80
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Solution
The fourth proportional to 149,035.49, 205,564.87 and 101,205.80 is: 139,593.31
Step by Step Solution
- Step 1: Write the proportion equation
149,035.49 : 205,564.87 = 101,205.80 : x - Step 2: Convert to fraction form
149,035.49/205,564.87 = 101,205.80/x - Step 3: Cross multiply
149,035.49x = 205,564.87 × 101,205.80 - Step 4: Simplify right side
149,035.49x = 20,804,357,120.25 - Step 5: Solve for x
x = 20,804,357,120.25/149,035.49 - Step 6: Final answer
x = 139,593.31
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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.