Finding the Fourth Proportional to 135,067.10, 202,612.16 and 40,291.17
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Solution
The fourth proportional to 135,067.10, 202,612.16 and 40,291.17 is: 60,440.19
Step by Step Solution
- Step 1: Write the proportion equation
135,067.10 : 202,612.16 = 40,291.17 : x - Step 2: Convert to fraction form
135,067.10/202,612.16 = 40,291.17/x - Step 3: Cross multiply
135,067.10x = 202,612.16 × 40,291.17 - Step 4: Simplify right side
135,067.10x = 8,163,480,781.17 - Step 5: Solve for x
x = 8,163,480,781.17/135,067.10 - Step 6: Final answer
x = 60,440.19
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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.