Finding the Fourth Proportional to 134,450.08, 201,698.16 and 40,938.40
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Solution
The fourth proportional to 134,450.08, 201,698.16 and 40,938.40 is: 61,414.62
Step by Step Solution
- Step 1: Write the proportion equation
134,450.08 : 201,698.16 = 40,938.40 : x - Step 2: Convert to fraction form
134,450.08/201,698.16 = 40,938.40/x - Step 3: Cross multiply
134,450.08x = 201,698.16 × 40,938.40 - Step 4: Simplify right side
134,450.08x = 8,257,199,953.34 - Step 5: Solve for x
x = 8,257,199,953.34/134,450.08 - Step 6: Final answer
x = 61,414.62
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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.