Finding the Fourth Proportional to 286,135.92, 429,212.90 and 136,392.48
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Solution
The fourth proportional to 286,135.92, 429,212.90 and 136,392.48 is: 204,593.02
Step by Step Solution
- Step 1: Write the proportion equation
286,135.92 : 429,212.90 = 136,392.48 : x - Step 2: Convert to fraction form
286,135.92/429,212.90 = 136,392.48/x - Step 3: Cross multiply
286,135.92x = 429,212.90 × 136,392.48 - Step 4: Simplify right side
286,135.92x = 58,541,411,878.99 - Step 5: Solve for x
x = 58,541,411,878.99/286,135.92 - Step 6: Final answer
x = 204,593.02
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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.