Finding the Fourth Proportional to 427,876.36, 590,469.40 and 236,902.08
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Solution
The fourth proportional to 427,876.36, 590,469.40 and 236,902.08 is: 326,924.88
Step by Step Solution
- Step 1: Write the proportion equation
427,876.36 : 590,469.40 = 236,902.08 : x - Step 2: Convert to fraction form
427,876.36/590,469.40 = 236,902.08/x - Step 3: Cross multiply
427,876.36x = 590,469.40 × 236,902.08 - Step 4: Simplify right side
427,876.36x = 139,883,429,036.35 - Step 5: Solve for x
x = 139,883,429,036.35/427,876.36 - Step 6: Final answer
x = 326,924.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.