Finding the Fourth Proportional to 201,948.80, 302,923.20 and 68,817.20
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Solution
The fourth proportional to 201,948.80, 302,923.20 and 68,817.20 is: 103,225.80
Step by Step Solution
- Step 1: Write the proportion equation
201,948.80 : 302,923.20 = 68,817.20 : x - Step 2: Convert to fraction form
201,948.80/302,923.20 = 68,817.20/x - Step 3: Cross multiply
201,948.80x = 302,923.20 × 68,817.20 - Step 4: Simplify right side
201,948.80x = 20,846,326,439.04 - Step 5: Solve for x
x = 20,846,326,439.04/201,948.80 - Step 6: Final answer
x = 103,225.80
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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.