Finding the Fourth Proportional to 201,871.80, 302,807.70 and 68,707.80
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Solution
The fourth proportional to 201,871.80, 302,807.70 and 68,707.80 is: 103,061.70
Step by Step Solution
- Step 1: Write the proportion equation
201,871.80 : 302,807.70 = 68,707.80 : x - Step 2: Convert to fraction form
201,871.80/302,807.70 = 68,707.80/x - Step 3: Cross multiply
201,871.80x = 302,807.70 × 68,707.80 - Step 4: Simplify right side
201,871.80x = 20,805,250,890.06 - Step 5: Solve for x
x = 20,805,250,890.06/201,871.80 - Step 6: Final answer
x = 103,061.70
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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.