Finding the Fourth Proportional to 146,948.99, 202,806.59 and 83,298.38
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Solution
The fourth proportional to 146,948.99, 202,806.59 and 83,298.38 is: 114,961.39
Step by Step Solution
- Step 1: Write the proportion equation
146,948.99 : 202,806.59 = 83,298.38 : x - Step 2: Convert to fraction form
146,948.99/202,806.59 = 83,298.38/x - Step 3: Cross multiply
146,948.99x = 202,806.59 × 83,298.38 - Step 4: Simplify right side
146,948.99x = 16,893,458,969.80 - Step 5: Solve for x
x = 16,893,458,969.80/146,948.99 - Step 6: Final answer
x = 114,961.39
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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.