Finding the Fourth Proportional to 134,122.16, 201,204.12 and 40,605.68
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Solution
The fourth proportional to 134,122.16, 201,204.12 and 40,605.68 is: 60,914.84
Step by Step Solution
- Step 1: Write the proportion equation
134,122.16 : 201,204.12 = 40,605.68 : x - Step 2: Convert to fraction form
134,122.16/201,204.12 = 40,605.68/x - Step 3: Cross multiply
134,122.16x = 201,204.12 × 40,605.68 - Step 4: Simplify right side
134,122.16x = 8,170,030,111.40 - Step 5: Solve for x
x = 8,170,030,111.40/134,122.16 - Step 6: Final answer
x = 60,914.84
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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.