Finding the Fourth Proportional to 201,769.80, 302,545.35 and 83,307.30
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Solution
The fourth proportional to 201,769.80, 302,545.35 and 83,307.30 is: 124,915.80
Step by Step Solution
- Step 1: Write the proportion equation
201,769.80 : 302,545.35 = 83,307.30 : x - Step 2: Convert to fraction form
201,769.80/302,545.35 = 83,307.30/x - Step 3: Cross multiply
201,769.80x = 302,545.35 × 83,307.30 - Step 4: Simplify right side
201,769.80x = 25,204,236,236.06 - Step 5: Solve for x
x = 25,204,236,236.06/201,769.80 - Step 6: Final answer
x = 124,915.80
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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.