Finding the Fourth Proportional to 134,474.04, 201,740.76 and 40,987.08
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Solution
The fourth proportional to 134,474.04, 201,740.76 and 40,987.08 is: 61,489.67
Step by Step Solution
- Step 1: Write the proportion equation
134,474.04 : 201,740.76 = 40,987.08 : x - Step 2: Convert to fraction form
134,474.04/201,740.76 = 40,987.08/x - Step 3: Cross multiply
134,474.04x = 201,740.76 × 40,987.08 - Step 4: Simplify right side
134,474.04x = 8,268,764,669.38 - Step 5: Solve for x
x = 8,268,764,669.38/134,474.04 - Step 6: Final answer
x = 61,489.67
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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.