Finding the Fourth Proportional to 201,689.53, 302,636.36 and 83,445.73
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Solution
The fourth proportional to 201,689.53, 302,636.36 and 83,445.73 is: 125,210.82
Step by Step Solution
- Step 1: Write the proportion equation
201,689.53 : 302,636.36 = 83,445.73 : x - Step 2: Convert to fraction form
201,689.53/302,636.36 = 83,445.73/x - Step 3: Cross multiply
201,689.53x = 302,636.36 × 83,445.73 - Step 4: Simplify right side
201,689.53x = 25,253,711,984.74 - Step 5: Solve for x
x = 25,253,711,984.74/201,689.53 - Step 6: Final answer
x = 125,210.82
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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.