Finding the Fourth Proportional to 109,558.09, 151,190.18 and 59,257.09
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Solution
The fourth proportional to 109,558.09, 151,190.18 and 59,257.09 is: 81,774.79
Step by Step Solution
- Step 1: Write the proportion equation
109,558.09 : 151,190.18 = 59,257.09 : x - Step 2: Convert to fraction form
109,558.09/151,190.18 = 59,257.09/x - Step 3: Cross multiply
109,558.09x = 151,190.18 × 59,257.09 - Step 4: Simplify right side
109,558.09x = 8,959,090,103.38 - Step 5: Solve for x
x = 8,959,090,103.38/109,558.09 - Step 6: Final answer
x = 81,774.79
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1.5x scale
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.