Finding the Fourth Proportional to 132,669.70, 199,030.81 and 37,900.70
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Solution
The fourth proportional to 132,669.70, 199,030.81 and 37,900.70 is: 56,858.55
Step by Step Solution
- Step 1: Write the proportion equation
132,669.70 : 199,030.81 = 37,900.70 : x - Step 2: Convert to fraction form
132,669.70/199,030.81 = 37,900.70/x - Step 3: Cross multiply
132,669.70x = 199,030.81 × 37,900.70 - Step 4: Simplify right side
132,669.70x = 7,543,406,428.24 - Step 5: Solve for x
x = 7,543,406,428.24/132,669.70 - Step 6: Final answer
x = 56,858.55
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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.