Finding the Fourth Proportional to 178,606.36, 246,489.09 and 118,072.02
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Solution
The fourth proportional to 178,606.36, 246,489.09 and 118,072.02 is: 162,947.53
Step by Step Solution
- Step 1: Write the proportion equation
178,606.36 : 246,489.09 = 118,072.02 : x - Step 2: Convert to fraction form
178,606.36/246,489.09 = 118,072.02/x - Step 3: Cross multiply
178,606.36x = 246,489.09 × 118,072.02 - Step 4: Simplify right side
178,606.36x = 29,103,464,764.26 - Step 5: Solve for x
x = 29,103,464,764.26/178,606.36 - Step 6: Final answer
x = 162,947.53
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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.