Finding the Fourth Proportional to 201,972.80, 302,959.20 and 61,713.20
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Solution
The fourth proportional to 201,972.80, 302,959.20 and 61,713.20 is: 92,569.80
Step by Step Solution
- Step 1: Write the proportion equation
201,972.80 : 302,959.20 = 61,713.20 : x - Step 2: Convert to fraction form
201,972.80/302,959.20 = 61,713.20/x - Step 3: Cross multiply
201,972.80x = 302,959.20 × 61,713.20 - Step 4: Simplify right side
201,972.80x = 18,696,581,701.44 - Step 5: Solve for x
x = 18,696,581,701.44/201,972.80 - Step 6: Final answer
x = 92,569.80
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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.