Finding the Fourth Proportional to 201,563.40, 302,345.10 and 134,203.80
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Solution
The fourth proportional to 201,563.40, 302,345.10 and 134,203.80 is: 201,305.70
Step by Step Solution
- Step 1: Write the proportion equation
201,563.40 : 302,345.10 = 134,203.80 : x - Step 2: Convert to fraction form
201,563.40/302,345.10 = 134,203.80/x - Step 3: Cross multiply
201,563.40x = 302,345.10 × 134,203.80 - Step 4: Simplify right side
201,563.40x = 40,575,861,331.38 - Step 5: Solve for x
x = 40,575,861,331.38/201,563.40 - Step 6: Final answer
x = 201,305.70
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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.