Finding the Fourth Proportional to 201,653.40, 302,480.10 and 68,683.80
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Solution
The fourth proportional to 201,653.40, 302,480.10 and 68,683.80 is: 103,025.70
Step by Step Solution
- Step 1: Write the proportion equation
201,653.40 : 302,480.10 = 68,683.80 : x - Step 2: Convert to fraction form
201,653.40/302,480.10 = 68,683.80/x - Step 3: Cross multiply
201,653.40x = 302,480.10 × 68,683.80 - Step 4: Simplify right side
201,653.40x = 20,775,482,692.38 - Step 5: Solve for x
x = 20,775,482,692.38/201,653.40 - Step 6: Final answer
x = 103,025.70
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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.