Finding the Fourth Proportional to 201,639.80, 302,445.12 and 96,430.52
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Solution
The fourth proportional to 201,639.80, 302,445.12 and 96,430.52 is: 144,638.81
Step by Step Solution
- Step 1: Write the proportion equation
201,639.80 : 302,445.12 = 96,430.52 : x - Step 2: Convert to fraction form
201,639.80/302,445.12 = 96,430.52/x - Step 3: Cross multiply
201,639.80x = 302,445.12 × 96,430.52 - Step 4: Simplify right side
201,639.80x = 29,164,940,193.06 - Step 5: Solve for x
x = 29,164,940,193.06/201,639.80 - Step 6: Final answer
x = 144,638.81
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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.