Finding the Fourth Proportional to 228,621.37, 315,580.31 and 186,106.09
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Solution
The fourth proportional to 228,621.37, 315,580.31 and 186,106.09 is: 256,893.82
Step by Step Solution
- Step 1: Write the proportion equation
228,621.37 : 315,580.31 = 186,106.09 : x - Step 2: Convert to fraction form
228,621.37/315,580.31 = 186,106.09/x - Step 3: Cross multiply
228,621.37x = 315,580.31 × 186,106.09 - Step 4: Simplify right side
228,621.37x = 58,731,417,575.09 - Step 5: Solve for x
x = 58,731,417,575.09/228,621.37 - Step 6: Final answer
x = 256,893.82
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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.