Finding the Fourth Proportional to 145,882.89, 201,334.37 and 84,642.53
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Solution
The fourth proportional to 145,882.89, 201,334.37 and 84,642.53 is: 116,815.95
Step by Step Solution
- Step 1: Write the proportion equation
145,882.89 : 201,334.37 = 84,642.53 : x - Step 2: Convert to fraction form
145,882.89/201,334.37 = 84,642.53/x - Step 3: Cross multiply
145,882.89x = 201,334.37 × 84,642.53 - Step 4: Simplify right side
145,882.89x = 17,041,449,022.87 - Step 5: Solve for x
x = 17,041,449,022.87/145,882.89 - Step 6: Final answer
x = 116,815.95
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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.