Finding the Fourth Proportional to 201,318.08, 302,009.88 and 74,958.80
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Solution
The fourth proportional to 201,318.08, 302,009.88 and 74,958.80 is: 112,450.40
Step by Step Solution
- Step 1: Write the proportion equation
201,318.08 : 302,009.88 = 74,958.80 : x - Step 2: Convert to fraction form
201,318.08/302,009.88 = 74,958.80/x - Step 3: Cross multiply
201,318.08x = 302,009.88 × 74,958.80 - Step 4: Simplify right side
201,318.08x = 22,638,298,192.94 - Step 5: Solve for x
x = 22,638,298,192.94/201,318.08 - Step 6: Final answer
x = 112,450.40
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1.5x scale
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.