Finding the Fourth Proportional to 359,137.36, 538,588.81 and 119,186.81
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Solution
The fourth proportional to 359,137.36, 538,588.81 and 119,186.81 is: 178,741.31
Step by Step Solution
- Step 1: Write the proportion equation
359,137.36 : 538,588.81 = 119,186.81 : x - Step 2: Convert to fraction form
359,137.36/538,588.81 = 119,186.81/x - Step 3: Cross multiply
359,137.36x = 538,588.81 × 119,186.81 - Step 4: Simplify right side
359,137.36x = 64,192,682,165.60 - Step 5: Solve for x
x = 64,192,682,165.60/359,137.36 - Step 6: Final answer
x = 178,741.31
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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.