Finding the Fourth Proportional to 134,643.60, 201,965.40 and 41,149.20
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Solution
The fourth proportional to 134,643.60, 201,965.40 and 41,149.20 is: 61,723.80
Step by Step Solution
- Step 1: Write the proportion equation
134,643.60 : 201,965.40 = 41,149.20 : x - Step 2: Convert to fraction form
134,643.60/201,965.40 = 41,149.20/x - Step 3: Cross multiply
134,643.60x = 201,965.40 × 41,149.20 - Step 4: Simplify right side
134,643.60x = 8,310,714,637.68 - Step 5: Solve for x
x = 8,310,714,637.68/134,643.60 - Step 6: Final answer
x = 61,723.80
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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.