Finding the Fourth Proportional to 124,378.00, 186,603.64 and 40,136.58
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Solution
The fourth proportional to 124,378.00, 186,603.64 and 40,136.58 is: 60,216.69
Step by Step Solution
- Step 1: Write the proportion equation
124,378.00 : 186,603.64 = 40,136.58 : x - Step 2: Convert to fraction form
124,378.00/186,603.64 = 40,136.58/x - Step 3: Cross multiply
124,378.00x = 186,603.64 × 40,136.58 - Step 4: Simplify right side
124,378.00x = 7,489,631,824.81 - Step 5: Solve for x
x = 7,489,631,824.81/124,378.00 - Step 6: Final answer
x = 60,216.69
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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.