Finding the Fourth Proportional to 205,148.79, 282,882.11 and 133,395.75
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Solution
The fourth proportional to 205,148.79, 282,882.11 and 133,395.75 is: 183,940.99
Step by Step Solution
- Step 1: Write the proportion equation
205,148.79 : 282,882.11 = 133,395.75 : x - Step 2: Convert to fraction form
205,148.79/282,882.11 = 133,395.75/x - Step 3: Cross multiply
205,148.79x = 282,882.11 × 133,395.75 - Step 4: Simplify right side
205,148.79x = 37,735,270,558.05 - Step 5: Solve for x
x = 37,735,270,558.05/205,148.79 - Step 6: Final answer
x = 183,940.99
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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.