Finding the Fourth Proportional to 201,872.30, 302,699.10 and 83,409.80
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Solution
The fourth proportional to 201,872.30, 302,699.10 and 83,409.80 is: 125,069.52
Step by Step Solution
- Step 1: Write the proportion equation
201,872.30 : 302,699.10 = 83,409.80 : x - Step 2: Convert to fraction form
201,872.30/302,699.10 = 83,409.80/x - Step 3: Cross multiply
201,872.30x = 302,699.10 × 83,409.80 - Step 4: Simplify right side
201,872.30x = 25,248,071,391.18 - Step 5: Solve for x
x = 25,248,071,391.18/201,872.30 - Step 6: Final answer
x = 125,069.52
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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.