Finding the Fourth Proportional to 132,328.98, 198,496.71 and 38,837.70
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Solution
The fourth proportional to 132,328.98, 198,496.71 and 38,837.70 is: 58,257.50
Step by Step Solution
- Step 1: Write the proportion equation
132,328.98 : 198,496.71 = 38,837.70 : x - Step 2: Convert to fraction form
132,328.98/198,496.71 = 38,837.70/x - Step 3: Cross multiply
132,328.98x = 198,496.71 × 38,837.70 - Step 4: Simplify right side
132,328.98x = 7,709,155,673.97 - Step 5: Solve for x
x = 7,709,155,673.97/132,328.98 - Step 6: Final answer
x = 58,257.50
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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.